CVE-2021-39914
MEDIUM
4.3
CVSS Score
Published: November 4, 2021 at 10:39 PM UTC
Updated: June 17, 2026 at 04:04 AM UTC
1 product affected across 1 vendorGitLab
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Severity
MEDIUM4.3
Exploit prediction
EPSS 1%
Description
A regular expression denial of service issue in GitLab versions 8.13 to 14.2.5, 14.3.0 to 14.3.3 and 14.4.0 could cause excessive usage of resources when a specially crafted username was used when provisioning a new user
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Affected range stops below 14.2.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.3.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.4.1, 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 (2)
x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39914.jsonx_refsource_MISCBroken Link
Source: [email protected]
https://gitlab.com/gitlab-org/gitlab/-/issues/289948CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- LOW
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-400
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