CVE-2021-22251
MEDIUM
4.3
CVSS Score
Published: August 23, 2021 at 07:38 PM UTC
Updated: June 17, 2026 at 03:36 AM UTC
1 product affected across 1 vendorGitLab
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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.8%
Description
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
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 13.12.9v < 14.0.7v < 14.1.212.2.0 ≤ v < 13.12.914.0.0 ≤ v < 14.0.714.1.0 ≤ v < 14.1.2
Affected range stops below 13.12.9, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.0.7, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.1.2, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (3)
x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22251.jsonx_refsource_MISCExploitIssue TrackingVendor Advisory
Source: [email protected]
https://gitlab.com/gitlab-org/gitlab/-/issues/14004x_refsource_MISCPermissions RequiredThird Party Advisory
Source: [email protected]
https://hackerone.com/reports/679567CVSS
4.3MEDIUMGitLab
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-863
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