CVE-2021-22197
MEDIUM
4.3
CVSS Score
Published: April 2, 2021 at 04:21 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
An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.6 where an infinite loop exist when an authenticated user with specific rights access a MR having source and target branch pointing to each other
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 13.10.1v < 13.8.7v < 13.9.510.6.0 ≤ v < 13.8.713.10.0 ≤ v < 13.10.113.9.0 ≤ v < 13.9.5
Affected range stops below 13.10.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 13.8.7, so it looks safe — our inference, not a vendor statement
Affected range stops below 13.9.5, 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 (2)
x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22197.jsonx_refsource_MISCBroken Link
Source: [email protected]
https://gitlab.com/gitlab-org/gitlab/-/issues/323198CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- LOW
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-835
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