CVE-2021-20021
Vulnerability from cvelistv5
Published
2021-04-09 17:50
Modified
2025-02-06 19:53
Severity ?
EPSS score ?
Summary
A vulnerability in the SonicWall Email Security version 10.0.9.x allows an attacker to create an administrative account by sending a crafted HTTP request to the remote host.
References
Impacted products
Vendor | Product | Version | ||
---|---|---|---|---|
SonicWall | Email Security |
Version: 10.0.9 and earlier |
CISA Known exploited vulnerability
Data from the Known Exploited Vulnerabilities Catalog
Date added: 2021-11-03
Due date: 2021-11-17
Required action: Apply updates per vendor instructions.
Used in ransomware: Known
Notes: https://nvd.nist.gov/vuln/detail/CVE-2021-20021
{ "containers": { "adp": [ { "providerMetadata": { "dateUpdated": "2024-08-03T17:30:07.089Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0007" } ], "title": "CVE Program Container" }, { "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" } }, { "other": { "content": { "id": "CVE-2021-20021", "options": [ { "Exploitation": "active" }, { "Automatable": "yes" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "timestamp": "2025-02-06T19:53:15.110090Z", "version": "2.0.3" }, "type": "ssvc" } }, { "other": { "content": { "dateAdded": "2021-11-03", "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2021-20021" }, "type": "kev" } } ], "providerMetadata": { "dateUpdated": "2025-02-06T19:53:36.478Z", "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP" }, "title": "CISA ADP Vulnrichment" } ], "cna": { "affected": [ { "product": "Email Security", "vendor": "SonicWall", "versions": [ { "status": "affected", "version": "10.0.9 and earlier" } ] } ], "descriptions": [ { "lang": "en", "value": "A vulnerability in the SonicWall Email Security version 10.0.9.x allows an attacker to create an administrative account by sending a crafted HTTP request to the remote host." } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-269", "description": "CWE-269: Improper Privilege Management", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2021-04-09T17:50:14.000Z", "orgId": "44b2ff79-1416-4492-88bb-ed0da00c7315", "shortName": "sonicwall" }, "references": [ { "tags": [ "x_refsource_CONFIRM" ], "url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0007" } ], "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "PSIRT@sonicwall.com", "ID": "CVE-2021-20021", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Email Security", "version": { "version_data": [ { "version_value": "10.0.9 and earlier" } ] } } ] }, "vendor_name": "SonicWall" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "A vulnerability in the SonicWall Email Security version 10.0.9.x allows an attacker to create an administrative account by sending a crafted HTTP request to the remote host." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-269: Improper Privilege Management" } ] } ] }, "references": { "reference_data": [ { "name": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0007", "refsource": "CONFIRM", "url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0007" } ] } } } }, "cveMetadata": { "assignerOrgId": "44b2ff79-1416-4492-88bb-ed0da00c7315", "assignerShortName": "sonicwall", "cveId": "CVE-2021-20021", "datePublished": "2021-04-09T17:50:14.000Z", "dateReserved": "2020-12-17T00:00:00.000Z", "dateUpdated": "2025-02-06T19:53:36.478Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "vulnerability-lookup:meta": { "cisa_known_exploited": { "cveID": "CVE-2021-20021", "cwes": "[\"CWE-306\"]", "dateAdded": "2021-11-03", "dueDate": "2021-11-17", "knownRansomwareCampaignUse": "Known", "notes": "https://nvd.nist.gov/vuln/detail/CVE-2021-20021", "product": "SonicWall Email Security", "requiredAction": "Apply updates per vendor instructions.", "shortDescription": "SonicWall Email Security contains an improper privilege management vulnerability that allows an attacker to create an administrative account by sending a crafted HTTP request to the remote host. This vulnerability has known usage in a SonicWall Email Security exploit chain along with CVE-2021-20022 and CVE-2021-20023 to achieve privilege escalation.", "vendorProject": "SonicWall", "vulnerabilityName": "SonicWall Email Security Improper Privilege Management Vulnerability" }, "nvd": "{\"cve\":{\"id\":\"CVE-2021-20021\",\"sourceIdentifier\":\"PSIRT@sonicwall.com\",\"published\":\"2021-04-09T18:15:13.380\",\"lastModified\":\"2025-02-06T20:15:35.687\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A vulnerability in the SonicWall Email Security version 10.0.9.x allows an attacker to create an administrative account by sending a crafted HTTP request to the remote host.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad en SonicWall Email Security versi\u00f3n 10.0.9.x, permite a un atacante crear una cuenta administrativa mediante el env\u00edo de una petici\u00f3n HTTP dise\u00f1ada en el host remoto\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:P/A:P\",\"baseScore\":7.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"cisaExploitAdd\":\"2021-11-03\",\"cisaActionDue\":\"2021-11-17\",\"cisaRequiredAction\":\"Apply updates per vendor instructions.\",\"cisaVulnerabilityName\":\"SonicWall Email Security Improper Privilege Management Vulnerability\",\"weaknesses\":[{\"source\":\"PSIRT@sonicwall.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-269\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-269\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:sonicwall:email_security:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"10.0.9.6103\",\"matchCriteriaId\":\"08AD853A-995F-435D-B2AC-A7A0745D6172\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:sonicwall:hosted_email_security:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"10.0.9.6103\",\"matchCriteriaId\":\"D1824412-5A4F-4D69-996E-D4B3E813D21C\"}]}]}],\"references\":[{\"url\":\"https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0007\",\"source\":\"PSIRT@sonicwall.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0007\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}", "vulnrichment": { "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0007\", \"tags\": [\"x_refsource_CONFIRM\", \"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-03T17:30:07.089Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 9.8, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"CRITICAL\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2021-20021\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"active\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-02-06T19:53:15.110090Z\"}}}, {\"other\": {\"type\": \"kev\", \"content\": {\"dateAdded\": \"2021-11-03\", \"reference\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2021-20021\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-02-06T19:53:04.555Z\"}}], \"cna\": {\"affected\": [{\"vendor\": \"SonicWall\", \"product\": \"Email Security\", \"versions\": [{\"status\": \"affected\", \"version\": \"10.0.9 and earlier\"}]}], \"references\": [{\"url\": \"https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0007\", \"tags\": [\"x_refsource_CONFIRM\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A vulnerability in the SonicWall Email Security version 10.0.9.x allows an attacker to create an administrative account by sending a crafted HTTP request to the remote host.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-269\", \"description\": \"CWE-269: Improper Privilege Management\"}]}], \"providerMetadata\": {\"orgId\": \"44b2ff79-1416-4492-88bb-ed0da00c7315\", \"shortName\": \"sonicwall\", \"dateUpdated\": \"2021-04-09T17:50:14.000Z\"}, \"x_legacyV4Record\": {\"affects\": {\"vendor\": {\"vendor_data\": [{\"product\": {\"product_data\": [{\"version\": {\"version_data\": [{\"version_value\": \"10.0.9 and earlier\"}]}, \"product_name\": \"Email Security\"}]}, \"vendor_name\": \"SonicWall\"}]}}, \"data_type\": \"CVE\", \"references\": {\"reference_data\": [{\"url\": \"https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0007\", \"name\": \"https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0007\", \"refsource\": \"CONFIRM\"}]}, \"data_format\": \"MITRE\", \"description\": {\"description_data\": [{\"lang\": \"eng\", \"value\": \"A vulnerability in the SonicWall Email Security version 10.0.9.x allows an attacker to create an administrative account by sending a crafted HTTP request to the remote host.\"}]}, \"problemtype\": {\"problemtype_data\": [{\"description\": [{\"lang\": \"eng\", \"value\": \"CWE-269: Improper Privilege Management\"}]}]}, \"data_version\": \"4.0\", \"CVE_data_meta\": {\"ID\": \"CVE-2021-20021\", \"STATE\": \"PUBLIC\", \"ASSIGNER\": \"PSIRT@sonicwall.com\"}}}}", "cveMetadata": "{\"cveId\": \"CVE-2021-20021\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-02-06T19:53:36.478Z\", \"dateReserved\": \"2020-12-17T00:00:00.000Z\", \"assignerOrgId\": \"44b2ff79-1416-4492-88bb-ed0da00c7315\", \"datePublished\": \"2021-04-09T17:50:14.000Z\", \"assignerShortName\": \"sonicwall\"}", "dataType": "CVE_RECORD", "dataVersion": "5.1" } } }
Loading…
Loading…
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.