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CVE-2020-28395
Vulnerability from cvelistv5
▼ | URL | Tags | |
---|---|---|---|
productcert@siemens.com | https://cert-portal.siemens.com/productcert/pdf/ssa-274900.pdf | Vendor Advisory | |
productcert@siemens.com | https://us-cert.cisa.gov/ics/advisories/icsa-21-012-02 | Third Party Advisory, US Government Resource, Vendor Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | https://cert-portal.siemens.com/productcert/pdf/ssa-274900.pdf | Vendor Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | https://us-cert.cisa.gov/ics/advisories/icsa-21-012-02 | Third Party Advisory, US Government Resource, Vendor Advisory |
Vendor | Product | Version | |||||||
---|---|---|---|---|---|---|---|---|---|
▼ | Siemens | SCALANCE X-200RNA switch family |
Version: All versions < V3.2.7 |
||||||
|
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gsd-2020-28395
Vulnerability from gsd
{ "GSD": { "alias": "CVE-2020-28395", "description": "A vulnerability has been identified in SCALANCE X-300 switch family (incl. X408 and SIPLUS NET variants) (All versions \u003c V4.1.0). Devices do not create a new unique private key after factory reset. An attacker could leverage this situation to a man-in-the-middle situation and decrypt previously captured traffic.", "id": "GSD-2020-28395" }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2020-28395" ], "details": "A vulnerability has been identified in SCALANCE X-200RNA switch family (All versions \u003c V3.2.7), SCALANCE X-300 switch family (incl. X408 and SIPLUS NET variants) (All versions \u003c V4.1.0). Devices do not create a new unique private key after factory reset. An attacker could leverage this situation to a man-in-the-middle situation and decrypt previously captured traffic.", "id": "GSD-2020-28395", "modified": "2023-12-13T01:22:01.277345Z", "schema_version": "1.4.0" } }, "namespaces": { "cve.org": { "CVE_data_meta": { "ASSIGNER": "productcert@siemens.com", "ID": "CVE-2020-28395", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "SCALANCE X-200RNA switch family", "version": { "version_data": [ { "version_value": "All versions \u003c V3.2.7" } ] } }, { "product_name": "SCALANCE X-300 switch family (incl. X408 and SIPLUS NET variants)", "version": { "version_data": [ { "version_value": "All versions \u003c V4.1.0" } ] } } ] }, "vendor_name": "Siemens" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "A vulnerability has been identified in SCALANCE X-200RNA switch family (All versions \u003c V3.2.7), SCALANCE X-300 switch family (incl. X408 and SIPLUS NET variants) (All versions \u003c V4.1.0). Devices do not create a new unique private key after factory reset. An attacker could leverage this situation to a man-in-the-middle situation and decrypt previously captured traffic." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-321: Use of Hard-coded Cryptographic Key" } ] } ] }, "references": { "reference_data": [ { "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-274900.pdf", "refsource": "MISC", "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-274900.pdf" }, { "name": "https://us-cert.cisa.gov/ics/advisories/icsa-21-012-02", "refsource": "MISC", "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-012-02" }, { "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-274900.pdf", "refsource": "CONFIRM", "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-274900.pdf" } ] } }, "nvd.nist.gov": { "configurations": { "CVE_data_version": "4.0", "nodes": [ { "children": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:siemens:scalance_xr324-12m_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndExcluding": "4.1.0", "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:h:siemens:scalance_xr324-12m:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false } ], "operator": "OR" } ], "cpe_match": [], "operator": "AND" }, { "children": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:siemens:scalance_xr324-12m_ts_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndExcluding": "4.1.0", "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:h:siemens:scalance_xr324-12m_ts:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false } ], "operator": "OR" } ], "cpe_match": [], "operator": "AND" }, { "children": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:siemens:scalance_xr324-4m_eec_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndExcluding": "4.1.0", "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:h:siemens:scalance_xr324-4m_eec:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false } ], "operator": "OR" } ], "cpe_match": [], "operator": "AND" }, { "children": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:siemens:scalance_xr324-4m_poe_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndExcluding": "4.1.0", "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:h:siemens:scalance_xr324-4m_poe:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false } ], "operator": "OR" } ], "cpe_match": [], "operator": "AND" }, { "children": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:siemens:scalance_xr324-4m_poe_ts_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndExcluding": "4.1.0", "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:h:siemens:scalance_xr324-4m_poe_ts:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false } ], "operator": "OR" } ], "cpe_match": [], "operator": "AND" }, { "children": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:siemens:scalance_xr324wg_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndExcluding": "4.1.0", "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:h:siemens:scalance_xr324wg:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false } ], "operator": "OR" } ], "cpe_match": [], "operator": "AND" }, { "children": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:siemens:scalance_xr326-2c_poe_wg_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndExcluding": "4.1.0", "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:h:siemens:scalance_xr326-2c_poe_wg:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false } ], "operator": "OR" } ], "cpe_match": [], "operator": "AND" }, { "children": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:siemens:scalance_xr328-4c_wg_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndExcluding": "4.1.0", "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:h:siemens:scalance_xr328-4c_wg:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false } ], "operator": "OR" } ], "cpe_match": [], "operator": "AND" } ] }, "cve": { "CVE_data_meta": { "ASSIGNER": "productcert@siemens.com", "ID": "CVE-2020-28395" }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "en", "value": "A vulnerability has been identified in SCALANCE X-200RNA switch family (All versions \u003c V3.2.7), SCALANCE X-300 switch family (incl. X408 and SIPLUS NET variants) (All versions \u003c V4.1.0). Devices do not create a new unique private key after factory reset. An attacker could leverage this situation to a man-in-the-middle situation and decrypt previously captured traffic." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "en", "value": "CWE-321" } ] } ] }, "references": { "reference_data": [ { "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-274900.pdf", "refsource": "MISC", "tags": [ "Vendor Advisory" ], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-274900.pdf" }, { "name": "https://us-cert.cisa.gov/ics/advisories/icsa-21-012-02", "refsource": "MISC", "tags": [ "Third Party Advisory", "US Government Resource", "Vendor Advisory" ], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-012-02" } ] } }, "impact": { "baseMetricV2": { "acInsufInfo": false, "cvssV2": { "accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "version": "2.0" }, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "severity": "MEDIUM", "userInteractionRequired": false }, "baseMetricV3": { "cvssV3": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1" }, "exploitabilityScore": 2.2, "impactScore": 3.6 } }, "lastModifiedDate": "2022-12-13T17:15Z", "publishedDate": "2021-01-12T21:15Z" } } }
ghsa-vfw8-4p7f-cjjh
Vulnerability from github
A vulnerability has been identified in SCALANCE X-300 switch family (incl. X408 and SIPLUS NET variants) (All versions < V4.1.0). Devices do not create a new unique private key after factory reset. An attacker could leverage this situation to a man-in-the-middle situation and decrypt previously captured traffic.
{ "affected": [], "aliases": [ "CVE-2020-28395" ], "database_specific": { "cwe_ids": [ "CWE-321", "CWE-798" ], "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2021-01-12T21:15:00Z", "severity": "MODERATE" }, "details": "A vulnerability has been identified in SCALANCE X-300 switch family (incl. X408 and SIPLUS NET variants) (All versions \u003c V4.1.0). Devices do not create a new unique private key after factory reset. An attacker could leverage this situation to a man-in-the-middle situation and decrypt previously captured traffic.", "id": "GHSA-vfw8-4p7f-cjjh", "modified": "2022-12-13T18:30:27Z", "published": "2022-05-24T17:38:37Z", "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-28395" }, { "type": "WEB", "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-274900.pdf" }, { "type": "WEB", "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-012-02" }, { "type": "WEB", "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-061" } ], "schema_version": "1.4.0", "severity": [ { "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "type": "CVSS_V3" } ] }
ICSA-21-012-02
Vulnerability from csaf_cisa
Notes
{ "document": { "acknowledgments": [ { "organization": "Siemens ProductCERT", "summary": "reporting these vulnerabilities to CISA" } ], "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Disclosure is not limited", "tlp": { "label": "WHITE", "url": "https://us-cert.cisa.gov/tlp/" } }, "lang": "en-US", "notes": [ { "category": "general", "text": "This CSAF advisory was extracted from unstructured data and may contain inaccuracies. If you notice any errors, please reach out to the designated contact at CISA CSAF: central@cisa.dhs.gov", "title": "CISA Disclaimer" }, { "category": "legal_disclaimer", "text": "All information products included in https://us-cert.cisa.gov/ics are provided \"as is\" for informational purposes only. The Department of Homeland Security (DHS) does not provide any warranties of any kind regarding any information contained within. DHS does not endorse any commercial product or service, referenced in this product or otherwise. Further dissemination of this product is governed by the Traffic Light Protocol (TLP) marking in the header. For more information about TLP, see https://us-cert.cisa.gov/tlp/.", "title": "Legal Notice" }, { "category": "summary", "text": "Successful exploitation of these vulnerabilities could allow an attacker to execute a man-in-the-middle attack and decrypt previously captured traffic.", "title": "Risk evaluation" }, { "category": "other", "text": "Multiple Sectors", "title": "Critical infrastructure sectors" }, { "category": "other", "text": "Worldwide", "title": "Countries/areas deployed" }, { "category": "other", "text": "Germany", "title": "Company headquarters location" }, { "category": "general", "text": "CISA recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities. CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.\nCISA also provides a section for control systems security recommended practices on the ICS webpage onus-cert.cisa.gov. Several recommended practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.", "title": "Recommended Practices" }, { "category": "general", "text": "Additional mitigation guidance and recommended practices are publicly available on the ICS webpage on us-cert.cisa.gov in the Technical Information Paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies.\nOrganizations observing any suspected malicious activity should follow their established internal procedures and report their findings to CISA for tracking and correlation against other incidents.", "title": "Recommended Practices" }, { "category": "general", "text": "For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories", "title": "Additional Resources" }, { "category": "other", "text": "No known public exploits specifically target these vulnerabilities.", "title": "Exploitability" } ], "publisher": { "category": "coordinator", "contact_details": "Email: CISAservicedesk@cisa.dhs.gov;\n Toll Free: 1-888-282-0870", "name": "CISA", "namespace": "https://www.cisa.gov/" }, "references": [ { "category": "external", "summary": "SSA-274900: Use of Hardcoded Key in SCALANCE X Devices Under Certain Conditions - CSAF Version", "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-274900.json" }, { "category": "self", "summary": "ICS Advisory ICSA-21-012-02 JSON", "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2021/icsa-21-012-02.json" }, { "category": "self", "summary": "ICS Advisory ICSA-21-012-02 Web Version", "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-21-012-02" }, { "category": "external", "summary": "Recommended Practices", "url": "https://us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf" }, { "category": "external", "summary": "Recommended Practices", "url": "https://us-cert.cisa.gov/ics/tips/ICS-TIP-12-146-01B" }, { "category": "external", "summary": "SSA-274900: Use of Hardcoded Key in SCALANCE X Devices Under Certain Conditions - PDF Version", "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-274900.pdf" }, { "category": "external", "summary": "SSA-274900: Use of Hardcoded Key in SCALANCE X Devices Under Certain Conditions - TXT Version", "url": "https://cert-portal.siemens.com/productcert/txt/ssa-274900.txt" } ], "title": "Siemens SCALANCE X Switches (Update B)", "tracking": { "current_release_date": "2021-09-14T00:00:00.000000Z", "generator": { "engine": { "name": "CISA CSAF Generator", "version": "1.0.0" } }, "id": "ICSA-21-012-02", "initial_release_date": "2021-01-12T00:00:00.000000Z", "revision_history": [ { "date": "2021-01-12T00:00:00.000000Z", "legacy_version": "Initial", "number": "1", "summary": "ICSA-21-012-02 Siemens SCALANCE X Switches" }, { "date": "2021-02-09T00:00:00.000000Z", "legacy_version": "A", "number": "2", "summary": "ICSA-21-012-02 Siemens SCALANCE X Switches (Update A)" }, { "date": "2021-09-14T00:00:00.000000Z", "legacy_version": "B", "number": "3", "summary": "ICSA-21-012-02 Siemens SCALANCE X Switches (Update B)" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "\u003c V5.2.5", "product": { "name": "SCALANCE X-200 switch family (incl. SIPLUS NET variants)", "product_id": "CSAFPID-0001" } } ], "category": "product_name", "name": "SCALANCE X-200 switch family (incl. SIPLUS NET variants)" }, { "branches": [ { "category": "product_version_range", "name": "\u003c V5.5.0", "product": { "name": "SCALANCE X-200IRT switch family (incl. SIPLUS NET variants)", "product_id": "CSAFPID-0002" } } ], "category": "product_name", "name": "SCALANCE X-200IRT switch family (incl. SIPLUS NET variants)" }, { "branches": [ { "category": "product_version_range", "name": "\u003c V3.2.7", "product": { "name": "SCALANCE X-200RNA switch family", "product_id": "CSAFPID-0003" } } ], "category": "product_name", "name": "SCALANCE X-200RNA switch family" }, { "branches": [ { "category": "product_version_range", "name": "\u003c V4.1.0", "product": { "name": "SCALANCE X-300 switch family (incl. X408 and SIPLUS NET variants)", "product_id": "CSAFPID-0004" } } ], "category": "product_name", "name": "SCALANCE X-300 switch family (incl. X408 and SIPLUS NET variants)" } ], "category": "vendor", "name": "Siemens" } ] }, "vulnerabilities": [ { "cve": "CVE-2020-28391", "cwe": { "id": "CWE-321", "name": "Use of Hard-coded Cryptographic Key" }, "notes": [ { "category": "summary", "text": "Devices create a new unique key upon factory reset, except when used\nwith C-PLUG. When used with C-PLUG the devices use the hardcoded private RSA-key\nshipped with the firmware-image. An attacker could leverage this situation to a\nman-in-the-middle situation and decrypt previously captured traffic.\n\n\n", "title": "Summary" } ], "product_status": { "known_affected": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003" ] }, "references": [ { "category": "external", "summary": "web.nvd.nist.gov", "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-28391" }, { "category": "external", "summary": "www.first.org", "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N" } ], "remediations": [ { "category": "mitigation", "details": "Update the default selfsigned device X.509 certificates with own trusted certificates", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003" ] }, { "category": "mitigation", "details": "Update the default hardcoded X.509 certificates from the firmware image (fingerprints SHA-1: \nF2:C8:3B:8F:86:27:74:AA:60:EC:D4:A0:CF:0D:BE:A6:D1:FE:22:12 and SHA-256: 25:60:DB:B3: F9:07:9D:69:0E:DD:A9:EB:4E:1C:D5:8E:AF:79:16:C3:C8:13:A6:F6:59:AD:05:E4:6F:77:F7:72 - fingerprints for X-200RNA switch devices SHA-1: 04:64:EF:98:A4:42:D2:BB:57:4A:47:12:20:EC:E6:85:15:4F:03:61 and SHA-256: 9C:15:FA:56:ED:FF:CA:8D:17:16:E9:2C:57:CB:90:3C:4E:81:5B:3D:60:E9:CF:26:07:B3:73:F6:C7:02:75:88)", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003" ] }, { "category": "vendor_fix", "details": "Update to V5.2.5 or later version", "product_ids": [ "CSAFPID-0001" ], "url": "https://support.industry.siemens.com/cs/ww/en/view/109801131/" }, { "category": "vendor_fix", "details": "Update to V5.5.0 or later version", "product_ids": [ "CSAFPID-0002" ], "url": "https://support.industry.siemens.com/cs/ww/en/view/109792534/" }, { "category": "vendor_fix", "details": "Update to V3.2.7 or later version", "product_ids": [ "CSAFPID-0003" ], "url": "https://support.industry.siemens.com/cs/ww/en/view/109814809/" }, { "category": "mitigation", "details": "As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens\u0027 operational guidelines for Industrial Security (Download: \nhttps://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals.\nAdditional information on Industrial Security by Siemens can be found at: \nhttps://www.siemens.com/industrialsecurity", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003" ] } ], "scores": [ { "cvss_v3": { "baseScore": 9.1, "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:P/RL:U/RC:C", "version": "3.1" }, "products": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003" ] } ], "title": "CVE-2020-28391" }, { "cve": "CVE-2020-28395", "cwe": { "id": "CWE-321", "name": "Use of Hard-coded Cryptographic Key" }, "notes": [ { "category": "summary", "text": "Devices do not create a new unique private key after factory reset. An attacker could leverage this situation to a man-in-the-middle situation and decrypt previously captured traffic.\n\n\n", "title": "Summary" } ], "product_status": { "known_affected": [ "CSAFPID-0003", "CSAFPID-0004" ] }, "references": [ { "category": "external", "summary": "web.nvd.nist.gov", "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-28395" }, { "category": "external", "summary": "www.first.org", "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N" } ], "remediations": [ { "category": "mitigation", "details": "Update the default selfsigned device X.509 certificates with own trusted certificates", "product_ids": [ "CSAFPID-0003", "CSAFPID-0004" ] }, { "category": "mitigation", "details": "Update the default hardcoded X.509 certificates from the firmware image (fingerprints SHA-1: \nF2:C8:3B:8F:86:27:74:AA:60:EC:D4:A0:CF:0D:BE:A6:D1:FE:22:12 and SHA-256: 25:60:DB:B3: F9:07:9D:69:0E:DD:A9:EB:4E:1C:D5:8E:AF:79:16:C3:C8:13:A6:F6:59:AD:05:E4:6F:77:F7:72 - fingerprints for X-200RNA switch devices SHA-1: 04:64:EF:98:A4:42:D2:BB:57:4A:47:12:20:EC:E6:85:15:4F:03:61 and SHA-256: 9C:15:FA:56:ED:FF:CA:8D:17:16:E9:2C:57:CB:90:3C:4E:81:5B:3D:60:E9:CF:26:07:B3:73:F6:C7:02:75:88)", "product_ids": [ "CSAFPID-0003", "CSAFPID-0004" ] }, { "category": "vendor_fix", "details": "Update to V4.1.0 or later version (for supported devices)", "product_ids": [ "CSAFPID-0004" ], "url": "https://support.industry.siemens.com/cs/ww/en/view/109773547/" }, { "category": "vendor_fix", "details": "Update to V3.2.7 or later version", "product_ids": [ "CSAFPID-0003" ], "url": "https://support.industry.siemens.com/cs/ww/en/view/109814809/" }, { "category": "mitigation", "details": "As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens\u0027 operational guidelines for Industrial Security (Download: \nhttps://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals.\nAdditional information on Industrial Security by Siemens can be found at: \nhttps://www.siemens.com/industrialsecurity", "product_ids": [ "CSAFPID-0003", "CSAFPID-0004" ] } ], "scores": [ { "cvss_v3": { "baseScore": 9.1, "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:P/RL:U/RC:C", "version": "3.1" }, "products": [ "CSAFPID-0003", "CSAFPID-0004" ] } ], "title": "CVE-2020-28395" } ] }
icsa-21-012-02
Vulnerability from csaf_cisa
Notes
{ "document": { "acknowledgments": [ { "organization": "Siemens ProductCERT", "summary": "reporting these vulnerabilities to CISA" } ], "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Disclosure is not limited", "tlp": { "label": "WHITE", "url": "https://us-cert.cisa.gov/tlp/" } }, "lang": "en-US", "notes": [ { "category": "general", "text": "This CSAF advisory was extracted from unstructured data and may contain inaccuracies. If you notice any errors, please reach out to the designated contact at CISA CSAF: central@cisa.dhs.gov", "title": "CISA Disclaimer" }, { "category": "legal_disclaimer", "text": "All information products included in https://us-cert.cisa.gov/ics are provided \"as is\" for informational purposes only. The Department of Homeland Security (DHS) does not provide any warranties of any kind regarding any information contained within. DHS does not endorse any commercial product or service, referenced in this product or otherwise. Further dissemination of this product is governed by the Traffic Light Protocol (TLP) marking in the header. For more information about TLP, see https://us-cert.cisa.gov/tlp/.", "title": "Legal Notice" }, { "category": "summary", "text": "Successful exploitation of these vulnerabilities could allow an attacker to execute a man-in-the-middle attack and decrypt previously captured traffic.", "title": "Risk evaluation" }, { "category": "other", "text": "Multiple Sectors", "title": "Critical infrastructure sectors" }, { "category": "other", "text": "Worldwide", "title": "Countries/areas deployed" }, { "category": "other", "text": "Germany", "title": "Company headquarters location" }, { "category": "general", "text": "CISA recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities. CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.\nCISA also provides a section for control systems security recommended practices on the ICS webpage onus-cert.cisa.gov. Several recommended practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.", "title": "Recommended Practices" }, { "category": "general", "text": "Additional mitigation guidance and recommended practices are publicly available on the ICS webpage on us-cert.cisa.gov in the Technical Information Paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies.\nOrganizations observing any suspected malicious activity should follow their established internal procedures and report their findings to CISA for tracking and correlation against other incidents.", "title": "Recommended Practices" }, { "category": "general", "text": "For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories", "title": "Additional Resources" }, { "category": "other", "text": "No known public exploits specifically target these vulnerabilities.", "title": "Exploitability" } ], "publisher": { "category": "coordinator", "contact_details": "Email: CISAservicedesk@cisa.dhs.gov;\n Toll Free: 1-888-282-0870", "name": "CISA", "namespace": "https://www.cisa.gov/" }, "references": [ { "category": "external", "summary": "SSA-274900: Use of Hardcoded Key in SCALANCE X Devices Under Certain Conditions - CSAF Version", "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-274900.json" }, { "category": "self", "summary": "ICS Advisory ICSA-21-012-02 JSON", "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2021/icsa-21-012-02.json" }, { "category": "self", "summary": "ICS Advisory ICSA-21-012-02 Web Version", "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-21-012-02" }, { "category": "external", "summary": "Recommended Practices", "url": "https://us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf" }, { "category": "external", "summary": "Recommended Practices", "url": "https://us-cert.cisa.gov/ics/tips/ICS-TIP-12-146-01B" }, { "category": "external", "summary": "SSA-274900: Use of Hardcoded Key in SCALANCE X Devices Under Certain Conditions - PDF Version", "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-274900.pdf" }, { "category": "external", "summary": "SSA-274900: Use of Hardcoded Key in SCALANCE X Devices Under Certain Conditions - TXT Version", "url": "https://cert-portal.siemens.com/productcert/txt/ssa-274900.txt" } ], "title": "Siemens SCALANCE X Switches (Update B)", "tracking": { "current_release_date": "2021-09-14T00:00:00.000000Z", "generator": { "engine": { "name": "CISA CSAF Generator", "version": "1.0.0" } }, "id": "ICSA-21-012-02", "initial_release_date": "2021-01-12T00:00:00.000000Z", "revision_history": [ { "date": "2021-01-12T00:00:00.000000Z", "legacy_version": "Initial", "number": "1", "summary": "ICSA-21-012-02 Siemens SCALANCE X Switches" }, { "date": "2021-02-09T00:00:00.000000Z", "legacy_version": "A", "number": "2", "summary": "ICSA-21-012-02 Siemens SCALANCE X Switches (Update A)" }, { "date": "2021-09-14T00:00:00.000000Z", "legacy_version": "B", "number": "3", "summary": "ICSA-21-012-02 Siemens SCALANCE X Switches (Update B)" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "\u003c V5.2.5", "product": { "name": "SCALANCE X-200 switch family (incl. SIPLUS NET variants)", "product_id": "CSAFPID-0001" } } ], "category": "product_name", "name": "SCALANCE X-200 switch family (incl. SIPLUS NET variants)" }, { "branches": [ { "category": "product_version_range", "name": "\u003c V5.5.0", "product": { "name": "SCALANCE X-200IRT switch family (incl. SIPLUS NET variants)", "product_id": "CSAFPID-0002" } } ], "category": "product_name", "name": "SCALANCE X-200IRT switch family (incl. SIPLUS NET variants)" }, { "branches": [ { "category": "product_version_range", "name": "\u003c V3.2.7", "product": { "name": "SCALANCE X-200RNA switch family", "product_id": "CSAFPID-0003" } } ], "category": "product_name", "name": "SCALANCE X-200RNA switch family" }, { "branches": [ { "category": "product_version_range", "name": "\u003c V4.1.0", "product": { "name": "SCALANCE X-300 switch family (incl. X408 and SIPLUS NET variants)", "product_id": "CSAFPID-0004" } } ], "category": "product_name", "name": "SCALANCE X-300 switch family (incl. X408 and SIPLUS NET variants)" } ], "category": "vendor", "name": "Siemens" } ] }, "vulnerabilities": [ { "cve": "CVE-2020-28391", "cwe": { "id": "CWE-321", "name": "Use of Hard-coded Cryptographic Key" }, "notes": [ { "category": "summary", "text": "Devices create a new unique key upon factory reset, except when used\nwith C-PLUG. When used with C-PLUG the devices use the hardcoded private RSA-key\nshipped with the firmware-image. An attacker could leverage this situation to a\nman-in-the-middle situation and decrypt previously captured traffic.\n\n\n", "title": "Summary" } ], "product_status": { "known_affected": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003" ] }, "references": [ { "category": "external", "summary": "web.nvd.nist.gov", "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-28391" }, { "category": "external", "summary": "www.first.org", "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N" } ], "remediations": [ { "category": "mitigation", "details": "Update the default selfsigned device X.509 certificates with own trusted certificates", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003" ] }, { "category": "mitigation", "details": "Update the default hardcoded X.509 certificates from the firmware image (fingerprints SHA-1: \nF2:C8:3B:8F:86:27:74:AA:60:EC:D4:A0:CF:0D:BE:A6:D1:FE:22:12 and SHA-256: 25:60:DB:B3: F9:07:9D:69:0E:DD:A9:EB:4E:1C:D5:8E:AF:79:16:C3:C8:13:A6:F6:59:AD:05:E4:6F:77:F7:72 - fingerprints for X-200RNA switch devices SHA-1: 04:64:EF:98:A4:42:D2:BB:57:4A:47:12:20:EC:E6:85:15:4F:03:61 and SHA-256: 9C:15:FA:56:ED:FF:CA:8D:17:16:E9:2C:57:CB:90:3C:4E:81:5B:3D:60:E9:CF:26:07:B3:73:F6:C7:02:75:88)", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003" ] }, { "category": "vendor_fix", "details": "Update to V5.2.5 or later version", "product_ids": [ "CSAFPID-0001" ], "url": "https://support.industry.siemens.com/cs/ww/en/view/109801131/" }, { "category": "vendor_fix", "details": "Update to V5.5.0 or later version", "product_ids": [ "CSAFPID-0002" ], "url": "https://support.industry.siemens.com/cs/ww/en/view/109792534/" }, { "category": "vendor_fix", "details": "Update to V3.2.7 or later version", "product_ids": [ "CSAFPID-0003" ], "url": "https://support.industry.siemens.com/cs/ww/en/view/109814809/" }, { "category": "mitigation", "details": "As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens\u0027 operational guidelines for Industrial Security (Download: \nhttps://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals.\nAdditional information on Industrial Security by Siemens can be found at: \nhttps://www.siemens.com/industrialsecurity", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003" ] } ], "scores": [ { "cvss_v3": { "baseScore": 9.1, "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:P/RL:U/RC:C", "version": "3.1" }, "products": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003" ] } ], "title": "CVE-2020-28391" }, { "cve": "CVE-2020-28395", "cwe": { "id": "CWE-321", "name": "Use of Hard-coded Cryptographic Key" }, "notes": [ { "category": "summary", "text": "Devices do not create a new unique private key after factory reset. An attacker could leverage this situation to a man-in-the-middle situation and decrypt previously captured traffic.\n\n\n", "title": "Summary" } ], "product_status": { "known_affected": [ "CSAFPID-0003", "CSAFPID-0004" ] }, "references": [ { "category": "external", "summary": "web.nvd.nist.gov", "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-28395" }, { "category": "external", "summary": "www.first.org", "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N" } ], "remediations": [ { "category": "mitigation", "details": "Update the default selfsigned device X.509 certificates with own trusted certificates", "product_ids": [ "CSAFPID-0003", "CSAFPID-0004" ] }, { "category": "mitigation", "details": "Update the default hardcoded X.509 certificates from the firmware image (fingerprints SHA-1: \nF2:C8:3B:8F:86:27:74:AA:60:EC:D4:A0:CF:0D:BE:A6:D1:FE:22:12 and SHA-256: 25:60:DB:B3: F9:07:9D:69:0E:DD:A9:EB:4E:1C:D5:8E:AF:79:16:C3:C8:13:A6:F6:59:AD:05:E4:6F:77:F7:72 - fingerprints for X-200RNA switch devices SHA-1: 04:64:EF:98:A4:42:D2:BB:57:4A:47:12:20:EC:E6:85:15:4F:03:61 and SHA-256: 9C:15:FA:56:ED:FF:CA:8D:17:16:E9:2C:57:CB:90:3C:4E:81:5B:3D:60:E9:CF:26:07:B3:73:F6:C7:02:75:88)", "product_ids": [ "CSAFPID-0003", "CSAFPID-0004" ] }, { "category": "vendor_fix", "details": "Update to V4.1.0 or later version (for supported devices)", "product_ids": [ "CSAFPID-0004" ], "url": "https://support.industry.siemens.com/cs/ww/en/view/109773547/" }, { "category": "vendor_fix", "details": "Update to V3.2.7 or later version", "product_ids": [ "CSAFPID-0003" ], "url": "https://support.industry.siemens.com/cs/ww/en/view/109814809/" }, { "category": "mitigation", "details": "As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens\u0027 operational guidelines for Industrial Security (Download: \nhttps://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals.\nAdditional information on Industrial Security by Siemens can be found at: \nhttps://www.siemens.com/industrialsecurity", "product_ids": [ "CSAFPID-0003", "CSAFPID-0004" ] } ], "scores": [ { "cvss_v3": { "baseScore": 9.1, "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:P/RL:U/RC:C", "version": "3.1" }, "products": [ "CSAFPID-0003", "CSAFPID-0004" ] } ], "title": "CVE-2020-28395" } ] }
var-202101-0487
Vulnerability from variot
A vulnerability has been identified in SCALANCE X-200RNA switch family (All versions < V3.2.7), SCALANCE X-300 switch family (incl. X408 and SIPLUS NET variants) (All versions < V4.1.0). Devices do not create a new unique private key after factory reset. An attacker could leverage this situation to a man-in-the-middle situation and decrypt previously captured traffic. SCALANCE X is a switch used to connect industrial components, such as programmable logic controllers (plc) or human machine interfaces (HMIs)
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fkie_cve-2020-28395
Vulnerability from fkie_nvd
▼ | URL | Tags | |
---|---|---|---|
productcert@siemens.com | https://cert-portal.siemens.com/productcert/pdf/ssa-274900.pdf | Vendor Advisory | |
productcert@siemens.com | https://us-cert.cisa.gov/ics/advisories/icsa-21-012-02 | Third Party Advisory, US Government Resource, Vendor Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | https://cert-portal.siemens.com/productcert/pdf/ssa-274900.pdf | Vendor Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | https://us-cert.cisa.gov/ics/advisories/icsa-21-012-02 | Third Party Advisory, US Government Resource, Vendor Advisory |
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An attacker could leverage this situation to a man-in-the-middle situation and decrypt previously captured traffic." }, { "lang": "es", "value": "Se ha identificado una vulnerabilidad en la familia de switch SCALANCE X-300 (incluidas las variantes X408 y SIPLUS NET) (todas las versiones anteriores a V4.1.0).\u0026#xa0;Los dispositivos no crean una nueva clave privada \u00fanica despu\u00e9s del restablecimiento de f\u00e1brica.\u0026#xa0;Un atacante podr\u00eda aprovechar esta situaci\u00f3n en una situaci\u00f3n de man-in-the-middle y descifrar el tr\u00e1fico capturado previamente" } ], "id": "CVE-2020-28395", "lastModified": "2024-11-21T05:22:42.987", "metrics": { "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": { "accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "version": "2.0" }, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false } ], "cvssMetricV31": [ { "cvssData": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1" }, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary" } ] }, "published": "2021-01-12T21:15:18.197", "references": [ { "source": "productcert@siemens.com", "tags": [ "Vendor Advisory" ], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-274900.pdf" }, { "source": "productcert@siemens.com", "tags": [ "Third Party Advisory", "US Government Resource", "Vendor Advisory" ], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-012-02" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Vendor Advisory" ], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-274900.pdf" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory", "US Government Resource", "Vendor Advisory" ], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-012-02" } ], "sourceIdentifier": "productcert@siemens.com", "vulnStatus": "Modified", "weaknesses": [ { "description": [ { "lang": "en", "value": "CWE-321" } ], "source": "productcert@siemens.com", "type": "Primary" }, { "description": [ { "lang": "en", "value": "CWE-798" } ], "source": "nvd@nist.gov", "type": "Secondary" } ] }
Sightings
Author | Source | Type | Date |
---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.