CVE-2023-31485 json
GitLab::API::v4 through 0.26 does not verify TLS certificates when connecting to a GitLab server, enabling machine-in-the-middle attacks.
published 2023-04-28 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-35790
- cvss
- 5.9
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 51%
- public exploits
- 0
- none known
Summary
GitLab::API::v4 through 0.26 does not verify TLS certificates when connecting to a GitLab server, enabling machine-in-the-middle attacks.
Patch / fix
- libgitlab-api-v4-perl Debian 14, Debian 13 0.27-1
debian advisories DEBIAN-CVE-2023-31485
- openwall.com/lists/oss-security/2023/04/18/14 patch
- openwall.com/lists/oss-security/2023/04/29/1 patch
- openwall.com/lists/oss-security/2023/05/03/3 patch
- github.com/bluefeet/GitLab-API-v4#57 pull request
- github.com/chansen/p5-http-tiny#151 pull request
- blog.hackeriet.no/perl-http-tiny-insecure-tls-default-affects-cpan-modules/ advisory
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 21 mo ago
Exploit prediction
0.65% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 3.1 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
| CNA | 3.1 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
Classification
- Weakness
-
- CWE-295 Improper Certificate Validation
References
-
github.com
/bluefeet/GitLab-API-v4/pull/57
issue-tracking
-
github.com
/chansen/p5-http-tiny/pull/151
issue-tracking
-
blog.hackeriet.no
/perl-http-tiny-insecure-tls-default-affects-cpan-modules/
mitigation, patch, third-party-advisory
-
openwall.com
/lists/oss-security/2023/04/18/14
mailing-list, patch
-
openwall.com
/lists/oss-security/2023/04/29/1
mailing-list, patch
-
openwall.com
/lists/oss-security/2023/05/03/3
mailing-list, patch
-
openwall.com
/lists/oss-security/2023/05/03/5
mailing-list
-
openwall.com
/lists/oss-security/2023/05/07/2
mailing-list
Sources
- CVE List CVE-2023-31485
- NVD CVE-2023-31485
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.