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No exploitation reportedFix available

CVE-2020-13343

No exploitation reported by the sources we read.

  • Published2020-10-06
  • Fixed in13.4.2 · 13.3.7 · 13.2.10
  • WeaknessCWE-668

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An issue has been discovered in GitLab affecting all versions starting from 11.2. Unauthorized Users Can View Custom Project Template

Timeline

dates in UTC
  1. 2020-10-0619:15CVE publishedNVD

Versions per branch

OSV · NVD
gitlab
BranchAffectedFixed in
13.4≥ 13.4.0, < 13.4.213.4.2
13.3≥ 13.3.0, < 13.3.713.3.7
13.2≥ 11.2.0, < 13.2.1013.2.10
GitLab
BranchAffectedFixed in
13.4≥ 11.2.0, ≤ 13.4.3no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • gitlabUbuntu:16.04:LTSall versions · no fixed version listed

Full record on NVD

Fix

  1. Update gitlab to 13.4.2 · 13.3.7 · 13.2.10

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • CNACVSS 3.17.5known since 2026-10-23
  • NVDCVSS 3.18.8read 2026-10-23
  • NVDCVSS 2.04read 2026-10-23
  • NVDweakness (CWE)CWE-668read 2026-10-23
  • FIRST EPSSEPSS score1.5 %2026-11-08
  • OSVaffected packages—
  • GitHub Advisoriesadvisory—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
2020-10-06
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-5x78-2px4-46jf

Frequently asked questions

What is CVE-2020-13343?

An issue has been discovered in GitLab affecting all versions starting from 11.2. Unauthorized Users Can View Custom Project Template

Is CVE-2020-13343 actively exploited?

Active exploitation of CVE-2020-13343 has not been confirmed. Its EPSS score was 1.5% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-13343?

CVE-2020-13343 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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