CVE-2021-22171
MEDIUM
6.5
CVSS Score
Published: January 15, 2021 at 03:10 PM UTC
Updated: June 17, 2026 at 03:36 AM UTC
1 product affected across 1 vendorGitLab
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Severity
MEDIUM6.5
Exploit prediction
EPSS 1%
Description
Insufficient validation of authentication parameters in GitLab Pages for GitLab 11.5+ allows an attacker to steal a victim's API token if they click on a maliciously crafted link
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 13.5.6v < 13.6.4v < 13.7.211.5.0 ≤ v < 13.5.613.6.0 ≤ v < 13.6.413.7.0 ≤ v < 13.7.2
Affected range stops below 13.5.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 13.6.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 13.7.2, 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:
Patch and advisory references
References (3)
x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22171.jsonx_refsource_MISCBroken Link
Source: [email protected]
https://gitlab.com/gitlab-org/gitlab-pages/-/issues/262x_refsource_MISCPermissions RequiredThird Party Advisory
Source: [email protected]
https://hackerone.com/reports/718460CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-287
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