CVE-2021-39877
MEDIUM
5.5
CVSS Score
Published: October 4, 2021 at 04:41 PM UTC
Updated: June 17, 2026 at 04:04 AM UTC
1 product affected across 1 vendorGitLab
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Severity
MEDIUM5.5
Exploit prediction
EPSS 1%
Description
A vulnerability was discovered in GitLab starting with version 12.2 that allows an attacker to cause uncontrolled resource consumption with a specially crafted file.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 14.1.7v < 14.2.5v < 14.3.112.2.0 ≤ v < 14.1.714.2 ≤ v < 14.2.514.3 ≤ v < 14.3.1
Affected range stops below 14.1.7, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.2.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.3.1, 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-2021-39877.jsonx_refsource_MISCBroken Link
Source: [email protected]
https://gitlab.com/gitlab-org/gitlab/-/issues/300095x_refsource_MISCPermissions RequiredThird Party Advisory
Source: [email protected]
https://hackerone.com/reports/1077021CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-400
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