CVE-2021-22241

An issue has been discovered in GitLab CE/EE affecting all versions starting from 14.0. It was possible to exploit a stored cross-site-scripting via a specifically crafted default branch name.

CVSS v3.0 5.4 MEDIUM
CVSS v2.0 3.5 LOW

5.4^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 2.3 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

3.5^/10

CVSS v2.0 : LOW

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

Exploitability : 6.8 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://hackerone.com/reports/1256777	Permissions Required Third Party Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/336460	Broken Link
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22241.json	Vendor Advisory

Advertisement

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:::*

Information

Published : 2021-08-05 13:15

Updated : 2021-08-12 05:11

NVD link : CVE-2021-22241

Mitre link : CVE-2021-22241

JSON object : View

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Advertisement

Products Affected

gitlab

gitlab

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://hackerone.com/reports/1256777", "name": "https://hackerone.com/reports/1256777", "tags": ["Permissions Required", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://gitlab.com/gitlab-org/gitlab/-/issues/336460", "name": "https://gitlab.com/gitlab-org/gitlab/-/issues/336460", "tags": ["Broken Link"], "refsource": "MISC"}, {"url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22241.json", "name": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22241.json", "tags": ["Vendor Advisory"], "refsource": "CONFIRM"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "An issue has been discovered in GitLab CE/EE affecting all versions starting from 14.0. It was possible to exploit a stored cross-site-scripting via a specifically crafted default branch name."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-79"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-22241", "ASSIGNER": "cve@gitlab.com"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 3.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "severity": "LOW", "acInsufInfo": false, "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 6.8, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}, "baseMetricV3": {"cvssV3": {"scope": "CHANGED", "version": "3.1", "baseScore": 5.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.3}}, "publishedDate": "2021-08-05T20:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "14.0.7", "versionStartIncluding": "14.0.0"}, {"cpe23Uri": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "14.0.7", "versionStartIncluding": "14.0.0"}, {"cpe23Uri": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "14.1.2", "versionStartIncluding": "14.1.0"}, {"cpe23Uri": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "14.1.2", "versionStartIncluding": "14.1.0"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2021-08-12T12:11Z"}