CVE-2021-22252

A confusion between tag and branch names in GitLab CE/EE affecting all versions since 13.7 allowed a Developer to access protected CI variables which should only be accessible to Maintainers

CVSS v3 6.5 MEDIUM
CVSS v2.0 4.0 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

4.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22252.json	Vendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/330364	Broken Link
https://hackerone.com/reports/1186135	Third Party Advisory
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22252.json	Vendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/330364	Broken Link
https://hackerone.com/reports/1186135	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

21 Nov 2024, 05:49

Type	Values Removed	Values Added
References	~~() https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22252.json - Vendor Advisory~~	() https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22252.json - Vendor Advisory
References	~~() https://gitlab.com/gitlab-org/gitlab/-/issues/330364 - Broken Link~~	() https://gitlab.com/gitlab-org/gitlab/-/issues/330364 - Broken Link
References	~~() https://hackerone.com/reports/1186135 - Third Party Advisory~~	() https://hackerone.com/reports/1186135 - Third Party Advisory

Information

Published : 2021-08-23 20:15

Updated : 2024-11-21 05:49

NVD link : CVE-2021-22252

Mitre link : CVE-2021-22252

CVE.ORG link : CVE-2021-22252

JSON object : View

Products Affected

gitlab

gitlab

CWE

NVD-CWE-Other

{"id": "CVE-2021-22252", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N", "authentication": "SINGLE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Secondary", "source": "cve@gitlab.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 2.8}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "published": "2021-08-23T20:15:13.037", "references": [{"url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22252.json", "tags": ["Vendor Advisory"], "source": "cve@gitlab.com"}, {"url": "https://gitlab.com/gitlab-org/gitlab/-/issues/330364", "tags": ["Broken Link"], "source": "cve@gitlab.com"}, {"url": "https://hackerone.com/reports/1186135", "tags": ["Third Party Advisory"], "source": "cve@gitlab.com"}, {"url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22252.json", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://gitlab.com/gitlab-org/gitlab/-/issues/330364", "tags": ["Broken Link"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://hackerone.com/reports/1186135", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}], "descriptions": [{"lang": "en", "value": "A confusion between tag and branch names in GitLab CE/EE affecting all versions since 13.7 allowed a Developer to access protected CI variables which should only be accessible to Maintainers"}, {"lang": "es", "value": "Una confusi\u00f3n entre los nombres de las etiquetas y ramas en GitLab CE/EE, afectando a todas las versiones desde la 13.7, permit\u00eda a un desarrollador acceder a variables de CI protegidas que s\u00f3lo deber\u00edan ser accesibles para los mantenedores."}], "lastModified": "2024-11-21T05:49:47.837", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "vulnerable": true, "matchCriteriaId": "B6245A48-2068-4032-BCFA-4A4AAF7C633D", "versionEndExcluding": "13.12.9", "versionStartIncluding": "13.7.0"}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "vulnerable": true, "matchCriteriaId": "08757B18-27B5-4136-9BA6-0122CF0455F2", "versionEndExcluding": "13.12.9", "versionStartIncluding": "13.7.0"}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "vulnerable": true, "matchCriteriaId": "7BAF03F5-F078-4080-9F72-B51DE3F0EFD8", "versionEndExcluding": "14.0.7", "versionStartIncluding": "14.0.0"}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "vulnerable": true, "matchCriteriaId": "80FE53A3-015A-41EF-B238-DEE9AB2FEF8C", "versionEndExcluding": "14.0.7", "versionStartIncluding": "14.0.0"}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "vulnerable": true, "matchCriteriaId": "F02DE4BD-E3C7-491A-9FA7-EB3ED914480F", "versionEndExcluding": "14.1.2", "versionStartIncluding": "14.1.0"}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "vulnerable": true, "matchCriteriaId": "02027E6A-E1D7-4109-BC9A-2B6BC335BA20", "versionEndExcluding": "14.1.2", "versionStartIncluding": "14.1.0"}], "operator": "OR"}]}], "sourceIdentifier": "cve@gitlab.com"}