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CVE-2021-39915

MEDIUM
5.3
CVSS Score
Published: December 13, 2021 at 03:47 PM UTC
Updated: June 17, 2026 at 04:04 AM UTC
1 product affected across 1 vendorGitLab

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Severity
MEDIUM5.3
Exploit prediction
EPSS 1%

Description

Improper access control in the GraphQL API in GitLab CE/EE affecting all versions starting from 13.0 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2, allows an attacker to see the names of project access tokens on arbitrary projects

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

GitLab· GitLabmaven
95%
v < 14.3.6v < 14.4.4v < 14.5.213.0.0 ≤ v < 14.3.614.4.0 ≤ v < 14.4.414.5.0 ≤ v < 14.5.2
Affected range stops below 14.3.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.4.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.5.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No 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-2021-39915.json
x_refsource_MISCBroken Link
Source: [email protected]
https://gitlab.com/gitlab-org/gitlab/-/issues/340803
x_refsource_MISCPermissions RequiredThird Party Advisory
Source: [email protected]
https://hackerone.com/reports/1336059

CVSS

5.3MEDIUMGitLab
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-668

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