CVE-2021-39893

A potential DOS vulnerability was discovered in GitLab starting with version 9.1 that allowed parsing files without authorisation.

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 NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39893.json	Vendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/340076	Broken Link
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39893.json	Vendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/340076	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

21 Nov 2024, 06:20

Type	Values Removed	Values Added
References	~~() https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39893.json - Vendor Advisory~~	() https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39893.json - Vendor Advisory
References	~~() https://gitlab.com/gitlab-org/gitlab/-/issues/340076 - Broken Link~~	() https://gitlab.com/gitlab-org/gitlab/-/issues/340076 - Broken Link
CVSS	v2 : ~~5.0~~ v3 : ~~7.5~~	v2 : 5.0 v3 : 5.3

Information

Published : 2021-10-05 13:15

Updated : 2024-11-21 06:20

NVD link : CVE-2021-39893

Mitre link : CVE-2021-39893

CVE.ORG link : CVE-2021-39893

JSON object : View

Products Affected

gitlab

gitlab

CWE

CWE-862

Missing Authorization

{"id": "CVE-2021-39893", "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:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"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:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 3.9}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2021-10-05T13:15:08.417", "references": [{"url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39893.json", "tags": ["Vendor Advisory"], "source": "cve@gitlab.com"}, {"url": "https://gitlab.com/gitlab-org/gitlab/-/issues/340076", "tags": ["Broken Link"], "source": "cve@gitlab.com"}, {"url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39893.json", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://gitlab.com/gitlab-org/gitlab/-/issues/340076", "tags": ["Broken Link"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-862"}]}], "descriptions": [{"lang": "en", "value": "A potential DOS vulnerability was discovered in GitLab starting with version 9.1 that allowed parsing files without authorisation."}, {"lang": "es", "value": "En GitLab, a partir de la versi\u00f3n 9.1, se ha detectado una potencial vulnerabilidad de DOS que permit\u00eda analizar archivos sin autorizaci\u00f3n"}], "lastModified": "2024-11-21T06:20:29.557", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "vulnerable": true, "matchCriteriaId": "4D551586-EB1A-4508-BFE1-5767DC423649", "versionEndExcluding": "14.1.7", "versionStartIncluding": "9.1.0"}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "vulnerable": true, "matchCriteriaId": "A49ACE8F-A68C-4D39-80CB-470571DD857C", "versionEndExcluding": "14.1.7", "versionStartIncluding": "9.1.0"}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "vulnerable": true, "matchCriteriaId": "CAB23F69-59A2-430F-A082-A5F81A7A464C", "versionEndExcluding": "14.2.5", "versionStartIncluding": "14.2.0"}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "vulnerable": true, "matchCriteriaId": "CD7E2FAA-308F-450F-8990-52A7DEB8ED00", "versionEndExcluding": "14.2.5", "versionStartIncluding": "14.2.0"}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "vulnerable": true, "matchCriteriaId": "F2308ED7-163D-4ECD-AFDC-35E2A694273C", "versionEndExcluding": "14.3.1", "versionStartIncluding": "14.3.0"}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "vulnerable": true, "matchCriteriaId": "157A67E5-BAEB-4C73-A3D2-A9D8E189A15B", "versionEndExcluding": "14.3.1", "versionStartIncluding": "14.3.0"}], "operator": "OR"}]}], "sourceIdentifier": "cve@gitlab.com"}