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Fencer Vulns
medium 4.3

CVE-2024-9870 json

Unintended Proxy or Intermediary ('Confused Deputy') in GitLab

published 2025-02-12 20 mo ago modified 2026-09-08 2 mo ago also BIT-gitlab-2024-9870 , EUVD-2025-4968

cvss
4.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 33%
public exploits
0
none known

Summary

An external service interaction vulnerability in GitLab EE affecting all versions from 15.11 prior to 17.6.5, 17.7 prior to 17.7.4, and 17.8 prior to 17.8.2 allows an attacker to send requests from the GitLab server to unintended services.

Patch / fix

  • bitnami gitlab 17.8.2
  • GitLab GitLab 17.6.5, 17.7.4, 17.8.2

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
20 mo ago

Exploit prediction

0.39% chance of exploitation in the next 30 days, higher than 33% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • hackerone.com https://hackerone.com/reports/2734142 referenced PoC, tagged "exploit" by a source, unverified
  • gitlab.com https://gitlab.com/gitlab-org/gitlab/-/issues/498911 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 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
OSV 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
bitnami gitlab
>=15.11.0, <17.8.2
17.8.2

Affected products

  • GitLab GitLab

Classification

Weakness
  • CWE-441 Unintended Proxy or Intermediary
  • CWE-918 Server-Side Request Forgery
Technology feeds

References

Sources

Fencer Vulns 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: Added CPE configurations because not yet analyzed by NVD.