CVE-2017-17716 json
GitLab 9.4.x before 9.4.2 does not support LDAP SSL certificate verification, but a verify_certificates LDAP option was mentioned in the 9.…
published 2017-12-17 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-8873
- cvss
- 5.9
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 60%
- public exploits
- 0
- none known
Summary
GitLab 9.4.x before 9.4.2 does not support LDAP SSL certificate verification, but a verify_certificates LDAP option was mentioned in the 9.4 release announcement. This issue occurred because code was not merged. This is related to use of the omniauth-ldap library and the gitlab_omniauth-ldap gem.
Patch / fix
Exploit prediction
0.93% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 5.9 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-295 Improper Certificate Validation
- Technology feeds
References
-
gitlab.com
/gitlab-org/gitlab-ce/issues/30420
issue-tracking, patch, vendor-advisory
-
about.gitlab.com
/2017/07/28/gitlab-9-dot-4-dot-2-released/
issue-tracking, vendor-advisory
-
about.gitlab.com
/2017/07/22/gitlab-9-4-released/#security---add-ldap-ssl-certificate-verification
issue-tracking, vendor-advisory
Sources
- CVE List CVE-2017-17716
- NVD CVE-2017-17716
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.