fkie_cve-2021-40142
Vulnerability from fkie_nvd
Published
2021-08-27 07:15
Modified
2024-11-21 06:23
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
In OPC Foundation Local Discovery Server (LDS) before 1.04.402.463, remote attackers can cause a denial of service (DoS) by sending carefully crafted messages that lead to Access of a Memory Location After the End of a Buffer.
References
Impacted products
{ "configurations": [ { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:a:opcfoundation:local_discover_server:*:*:*:*:*:*:*:*", "matchCriteriaId": "2BD47A17-5E0C-4BCA-989C-C5CDEAC20A06", "versionEndExcluding": "1.04.402.463", "vulnerable": true } ], "negate": false, "operator": "OR" } ] }, { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:o:siemens:simatic_process_historian_opc_ua_server_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "A3BD1C40-AB88-4CB8-820E-C32C4AEBD455", "versionEndExcluding": "2022", "vulnerable": true }, { "criteria": "cpe:2.3:o:siemens:simatic_process_historian_opc_ua_server_firmware:2022:-:*:*:*:*:*:*", "matchCriteriaId": "D113B41E-4268-407B-A729-EBC9385D8943", "vulnerable": true } ], "negate": false, "operator": "OR" }, { "cpeMatch": [ { "criteria": "cpe:2.3:h:siemens:simatic_process_historian_opc_ua_server:-:*:*:*:*:*:*:*", "matchCriteriaId": "14EC9343-7778-40B0-A74D-5C156FF2A229", "vulnerable": false } ], "negate": false, "operator": "OR" } ], "operator": "AND" }, { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:a:siemens:simatic_net_pc:14:-:*:*:*:*:*:*", "matchCriteriaId": "298E8F34-346B-4FC5-8690-3F947F585552", "vulnerable": true }, { "criteria": "cpe:2.3:a:siemens:simatic_net_pc:15:-:*:*:*:*:*:*", "matchCriteriaId": "7DF90C44-4AC2-4B2B-8712-30CD3DE96B22", "vulnerable": true }, { "criteria": "cpe:2.3:a:siemens:simatic_net_pc:16:-:*:*:*:*:*:*", "matchCriteriaId": "496E3C43-5DA8-4983-8AC6-0F32454E22F3", "vulnerable": true }, { "criteria": "cpe:2.3:a:siemens:simatic_net_pc:17:-:*:*:*:*:*:*", "matchCriteriaId": "AFBD6DDF-917C-44CC-A944-1945DC7AC9FB", "vulnerable": true }, { "criteria": "cpe:2.3:a:siemens:simatic_wincc:-:*:*:*:*:*:*:*", "matchCriteriaId": "0F7BB505-A6B6-4200-9602-E4D348E407AB", "vulnerable": true }, { "criteria": "cpe:2.3:a:siemens:simatic_wincc_runtime:-:*:*:*:professional:*:*:*", "matchCriteriaId": "E6BFBAED-EE2B-4DE4-A76C-824DD15F4608", "vulnerable": true }, { "criteria": "cpe:2.3:a:siemens:simatic_wincc_unified_scada_runtime:-:*:*:*:*:*:*:*", "matchCriteriaId": "772ECFF2-BB17-4B72-A570-18631521E147", "vulnerable": true }, { "criteria": "cpe:2.3:a:siemens:telecontrol_server_basic:3.0:*:*:*:*:*:*:*", "matchCriteriaId": "975FC6E7-8FDB-4361-A691-44B26B0CBFD4", "vulnerable": true } ], "negate": false, "operator": "OR" } ] } ], "cveTags": [], "descriptions": [ { "lang": "en", "value": "In OPC Foundation Local Discovery Server (LDS) before 1.04.402.463, remote attackers can cause a denial of service (DoS) by sending carefully crafted messages that lead to Access of a Memory Location After the End of a Buffer." }, { "lang": "es", "value": "En OPC Foundation Local Discovery Server (LDS) versiones anteriores a 1.04.402.463, unos atacantes remotos pueden causar una denegaci\u00f3n de servicio (DoS) mediante el env\u00edo de mensajes cuidadosamente dise\u00f1ados que conllevan a el Acceso a una Ubicaci\u00f3n de Memoria Despu\u00e9s del Final de un B\u00fafer." } ], "id": "CVE-2021-40142", "lastModified": "2024-11-21T06:23:38.860", "metrics": { "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": { "accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0" }, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false } ], "cvssMetricV31": [ { "cvssData": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "cve@mitre.org", "type": "Secondary" }, { "cvssData": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary" } ] }, "published": "2021-08-27T07:15:08.630", "references": [ { "source": "cve@mitre.org", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-321292.pdf" }, { "source": "cve@mitre.org", "tags": [ "Patch", "Vendor Advisory" ], "url": "https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2021-40142.pdf" }, { "source": "cve@mitre.org", "tags": [ "Vendor Advisory" ], "url": "https://opcfoundation.org/security-bulletins/" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-321292.pdf" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch", "Vendor Advisory" ], "url": "https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2021-40142.pdf" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Vendor Advisory" ], "url": "https://opcfoundation.org/security-bulletins/" } ], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [ { "description": [ { "lang": "en", "value": "CWE-119" } ], "source": "nvd@nist.gov", "type": "Primary" } ] }
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Sightings
Author | Source | Type | Date |
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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.