CVE-2021-4191

An issue has been discovered in GitLab CE/EE affecting versions 13.0 to 14.6.5, 14.7 to 14.7.4, and 14.8 to 14.8.2. Private GitLab instances with restricted sign-ups may be vulnerable to user enumeration to unauthenticated users through the GraphQL API.

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-2021-4191.json	Vendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/343898	Broken Link
https://hackerone.com/reports/1089609	Permissions Required Third Party Advisory

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 : 2022-03-28 19:15

Updated : 2024-02-28 19:09

NVD link : CVE-2021-4191

Mitre link : CVE-2021-4191

CVE.ORG link : CVE-2021-4191

JSON object : View

Products Affected

gitlab

gitlab

CWE

NVD-CWE-noinfo

{"id": "CVE-2021-4191", "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": "2022-03-28T19:15:08.093", "references": [{"url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4191.json", "tags": ["Vendor Advisory"], "source": "cve@gitlab.com"}, {"url": "https://gitlab.com/gitlab-org/gitlab/-/issues/343898", "tags": ["Broken Link"], "source": "cve@gitlab.com"}, {"url": "https://hackerone.com/reports/1089609", "tags": ["Permissions Required", "Third Party Advisory"], "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 CE/EE affecting versions 13.0 to 14.6.5, 14.7 to 14.7.4, and 14.8 to 14.8.2. Private GitLab instances with restricted sign-ups may be vulnerable to user enumeration to unauthenticated users through the GraphQL API."}, {"lang": "es", "value": "Se ha detectado un problema en GitLab CE/EE afectando las versiones 13.0 a 14.6.5, 14.7 a 14.7.4 y 14.8 a 14.8.2. Las instancias privadas de GitLab con registros restringidos pueden ser vulnerables a una enumeraci\u00f3n de usuarios a usuarios no autenticados mediante la API GraphQL"}], "lastModified": "2022-07-12T17:42:04.277", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "vulnerable": true, "matchCriteriaId": "E86DDC12-65BD-493C-8682-9FB31C88B266", "versionEndExcluding": "14.6.5", "versionStartIncluding": "13.0.0"}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "vulnerable": true, "matchCriteriaId": "9D503931-6E2D-4918-A184-82F4238FBD88", "versionEndExcluding": "14.6.5", "versionStartIncluding": "13.0.0"}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "vulnerable": true, "matchCriteriaId": "DA9B6C10-6253-4C3F-8897-F0080B23414C", "versionEndExcluding": "14.7.4", "versionStartIncluding": "14.7.0"}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "vulnerable": true, "matchCriteriaId": "9218E9A3-C643-4987-BF82-727E0AB868E5", "versionEndExcluding": "14.7.4", "versionStartIncluding": "14.7.0"}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "vulnerable": true, "matchCriteriaId": "6AE10377-91D9-4F0F-984C-C36C8942F643", "versionEndExcluding": "14.8.2", "versionStartIncluding": "14.8"}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "vulnerable": true, "matchCriteriaId": "66B9F17C-CF83-47DD-8D56-0FE2FE384D86", "versionEndExcluding": "14.8.2", "versionStartIncluding": "14.8"}], "operator": "OR"}]}], "sourceIdentifier": "cve@gitlab.com"}