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Fencer Intel
medium 4.3

CVE-2023-0989 json

Improper Ownership Management in GitLab

published 3y ago modified 2mo ago also BIT-gitlab-2023-0989 , EUVD-2023-12974

cvss
4.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 43%
public exploits
0
none known

Summary

An information disclosure issue in GitLab CE/EE affecting all versions starting from 13.11 prior to 16.2.8, 16.3 prior to 16.3.5, and 16.4 prior to 16.4.1 allows an attacker to extract non-protected CI/CD variables by tricking a user to visit a fork with a malicious CI/CD configuration.

Patch / fix

  • bitnami gitlab 16.2.8, 16.3.5, 16.4.1
  • GitLab GitLab 16.2.8, 16.3.5, 16.4.1

Is CVE-2023-0989 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2y ago

Exploit prediction

0.50% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-14).

Exploits and checks

  • hackerone.com https://hackerone.com/reports/1875515 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
NVD 3.1 5.7 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
OSV 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected packages

ecosystem package affected fixed in
bitnami gitlab
<16.2.8
>=16.3.0, <16.3.5
>=16.4.0, <16.4.1
16.2.8
16.3.5
16.4.1

Affected products

  • GitLab GitLab

Classification

Weakness
  • CWE-282 Improper Ownership Management
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Enhance with deb and rpm package type records.