CVE-2020-13334
HIGH
7.5
CVSS Score
Published: October 7, 2020 at 01:18 PM UTC
Updated: June 17, 2026 at 02:52 AM UTC
1 product affected across 1 vendorGitLab
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Severity
HIGH7.5
Exploit prediction
EPSS 2%
Description
In GitLab versions prior to 13.2.10, 13.3.7 and 13.4.2, improper authorization checks allow a non-member of a project/group to change the confidentiality attribute of issue via mutation GraphQL query
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 13.2.10v < 13.3.7v < 13.4.213.3.0 ≤ v < 13.3.713.4.0 ≤ v < 13.4.28.6.0 ≤ v < 13.2.10
Affected range stops below 13.2.10, so it looks safe — our inference, not a vendor statement
Affected range stops below 13.3.7, so it looks safe — our inference, not a vendor statement
Affected range stops below 13.4.2, 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/2020/CVE-2020-13334.jsonx_refsource_MISCBroken Link
Source: [email protected]
https://gitlab.com/gitlab-org/gitlab/-/issues/195327x_refsource_MISCPermissions RequiredThird Party Advisory
Source: [email protected]
https://hackerone.com/reports/762271CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- HIGH
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-863
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