CVE-2021-22251

Improper validation of invited users' email address in GitLab EE affecting all versions since 12.2 allowed projects to add members with email address domain that should be blocked by group settings

CVSS v3.0 4.3 MEDIUM
CVSS v2.0 4.0 MEDIUM

4.3^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

4.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22251.json	Vendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/14004	Exploit Issue Tracking Vendor Advisory
https://hackerone.com/reports/679567	Permissions Required Third Party Advisory

Advertisement

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:gitlab:gitlab:::::enterprise:::*
	cpe:2.3:a:gitlab:gitlab:::::enterprise:::*
	cpe:2.3:a:gitlab:gitlab:::::enterprise:::*

Information

Published : 2021-08-23 13:15

Updated : 2021-08-27 18:25

NVD link : CVE-2021-22251

Mitre link : CVE-2021-22251

JSON object : View

CWE

CWE-863

Incorrect Authorization

Advertisement

Products Affected

gitlab

gitlab

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22251.json", "name": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22251.json", "tags": ["Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "https://gitlab.com/gitlab-org/gitlab/-/issues/14004", "name": "https://gitlab.com/gitlab-org/gitlab/-/issues/14004", "tags": ["Exploit", "Issue Tracking", "Vendor Advisory"], "refsource": "MISC"}, {"url": "https://hackerone.com/reports/679567", "name": "https://hackerone.com/reports/679567", "tags": ["Permissions Required", "Third Party Advisory"], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "Improper validation of invited users' email address in GitLab EE affecting all versions since 12.2 allowed projects to add members with email address domain that should be blocked by group settings"}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-863"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-22251", "ASSIGNER": "cve@gitlab.com"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 4.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 2.8}}, "publishedDate": "2021-08-23T20:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "13.12.9", "versionStartIncluding": "12.2.0"}, {"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:*:*:*:*:enterprise:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "14.1.2", "versionStartIncluding": "14.1.0"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2021-08-28T01:25Z"}