CVE-2021-22257

An issue has been discovered in GitLab affecting all versions starting from 14.0 before 14.0.9, all versions starting from 14.1 before 14.1.4, all versions starting from 14.2 before 14.2.2. The route for /user.keys is not restricted on instances with public visibility disabled. This allows user enumeration on such instances.

CVSS v3 5.3 MEDIUM
CVSS v2.0 5.0 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:P/I:N/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22257.json	Vendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/23832	Broken Link

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:gitlab:gitlab:::::community:::*
	cpe:2.3:a:gitlab:gitlab:::::enterprise:::*
	cpe:2.3:a:gitlab:gitlab:::::community:::*
	cpe:2.3:a:gitlab:gitlab:::::enterprise:::*
	cpe:2.3:a:gitlab:gitlab:::::community:::*
	cpe:2.3:a:gitlab:gitlab:::::enterprise:::*

History

No history.

Information

Published : 2021-10-05 14:15

Updated : 2021-10-09 03:34

NVD link : CVE-2021-22257

Mitre link : CVE-2021-22257

CVE.ORG link : CVE-2021-22257

JSON object : View

Products Affected

gitlab

gitlab

CWE

NVD-CWE-noinfo

{"id": "CVE-2021-22257", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "cve@gitlab.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 3.9}]}, "published": "2021-10-05T14:15:07.570", "references": [{"url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22257.json", "tags": ["Vendor Advisory"], "source": "cve@gitlab.com"}, {"url": "https://gitlab.com/gitlab-org/gitlab/-/issues/23832", "tags": ["Broken Link"], "source": "cve@gitlab.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "An issue has been discovered in GitLab affecting all versions starting from 14.0 before 14.0.9, all versions starting from 14.1 before 14.1.4, all versions starting from 14.2 before 14.2.2. The route for /user.keys is not restricted on instances with public visibility disabled. This allows user enumeration on such instances."}, {"lang": "es", "value": "Se ha detectado un problema en GitLab que afecta a todas las versiones a partir de la 14.0 anteriores a 14.0.9, todas las versiones a partir de la 14.1 anteriores a 14.1.4, todas las versiones a partir de la 14.2 anteriores a 14.2.2. La ruta para /user.keys no est\u00e1 restringida en las instancias con visibilidad p\u00fablica deshabilitada. Esto permite una enumeraci\u00f3n de usuarios en dichas instancias"}], "lastModified": "2021-10-09T03:34:04.917", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "vulnerable": true, "matchCriteriaId": "7B16376E-DEE9-4CBA-BECA-072B6782A0BF", "versionEndExcluding": "14.0.9", "versionStartIncluding": "14.0.0"}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "vulnerable": true, "matchCriteriaId": "A66113E2-D71B-4F05-9FB5-A06E01B832DE", "versionEndExcluding": "14.0.9", "versionStartIncluding": "14.0.0"}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "vulnerable": true, "matchCriteriaId": "9A88A687-E3B3-43B3-87C6-489DF361D7D1", "versionEndExcluding": "14.1.4", "versionStartIncluding": "14.1.0"}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "vulnerable": true, "matchCriteriaId": "B0917E00-8A8B-456B-8AF9-FEDE1B16079F", "versionEndExcluding": "14.1.4", "versionStartIncluding": "14.1.0"}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "vulnerable": true, "matchCriteriaId": "3CE159DB-7F83-42A6-9527-EB372B1F0C12", "versionEndExcluding": "14.2.2", "versionStartIncluding": "14.2.0"}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "vulnerable": true, "matchCriteriaId": "9748F8EA-2A15-4F22-8C54-5CA56B75EA58", "versionEndExcluding": "14.2.2", "versionStartIncluding": "14.2.0"}], "operator": "OR"}]}], "sourceIdentifier": "cve@gitlab.com"}