CVE-2021-45331

An Authentication Bypass vulnerability exists in Gitea before 1.5.0, which could let a malicious user gain privileges. If captured, the TOTP code for the 2FA can be submitted correctly more than once.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://blog.gitea.io/2018/08/gitea-1.5.0-is-released/	Release Notes Vendor Advisory
https://github.com/go-gitea/gitea/pull/3878	Patch Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:gitea:gitea:*:*:*:*:*:*:*:*

History

14 Feb 2022, 18:44

Type	Values Removed	Values Added
First Time		Gitea gitea Gitea
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 7.5 v3 : 9.8
References	~~(MISC) https://github.com/go-gitea/gitea/pull/3878 -~~	(MISC) https://github.com/go-gitea/gitea/pull/3878 - Patch, Third Party Advisory
References	~~(MISC) https://blog.gitea.io/2018/08/gitea-1.5.0-is-released/ -~~	(MISC) https://blog.gitea.io/2018/08/gitea-1.5.0-is-released/ - Release Notes, Vendor Advisory
CWE		CWE-287
CPE		cpe:2.3:a:gitea:gitea::::::::

09 Feb 2022, 18:18

Type	Values Removed	Values Added
New CVE

Information

Published : 2022-02-09 18:15

Updated : 2023-12-10 14:22

NVD link : CVE-2021-45331

Mitre link : CVE-2021-45331

CVE.ORG link : CVE-2021-45331

JSON object : View

Products Affected

gitea

gitea

CWE

CWE-287

Improper Authentication

{"id": "CVE-2021-45331", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "HIGH", "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": 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"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2022-02-09T18:15:10.013", "references": [{"url": "https://blog.gitea.io/2018/08/gitea-1.5.0-is-released/", "tags": ["Release Notes", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/go-gitea/gitea/pull/3878", "tags": ["Patch", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-287"}]}], "descriptions": [{"lang": "en", "value": "An Authentication Bypass vulnerability exists in Gitea before 1.5.0, which could let a malicious user gain privileges. If captured, the TOTP code for the 2FA can be submitted correctly more than once."}, {"lang": "es", "value": "Se presenta una vulnerabilidad de Omisi\u00f3n de Autenticaci\u00f3n en Gitea versiones anteriores a 1.5.0, que podr\u00eda permitir a un usuario malicioso alcanzar privilegios. Si es capturado, el c\u00f3digo TOTP para la 2FA puede ser enviado correctamente m\u00e1s de una vez"}], "lastModified": "2022-02-14T18:44:27.197", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:gitea:gitea:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A245EAFE-88C9-470E-9B7A-F8D32F25E2A2", "versionEndExcluding": "1.5.0"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}