CVE-2023-31485
CVE-2023-31485 is a medium-severity vulnerability in Gitlab with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-295.
Key facts
- Severity: Medium (CVSS 3.x base score 5.9)
- EPSS exploit prediction: 1% (47th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-295
- Affected product: Gitlab
- Published:
- Last modified:
Description
GitLab::API::v4 through 0.26 does not verify TLS certificates when connecting to a GitLab server, enabling machine-in-the-middle attacks.
Frequently asked questions
- What is CVE-2023-31485?
- GitLab::API::v4 through 0.26 does not verify TLS certificates when connecting to a GitLab server, enabling machine-in-the-middle attacks.
- How severe is CVE-2023-31485?
- CVE-2023-31485 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2023-31485 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-31485?
- CVE-2023-31485 affects Gitlab. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-31485?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-31485 published?
- CVE-2023-31485 was published on 2023-04-29 and last updated on 2026-06-17.
References
- http://www.openwall.com/lists/oss-security/2023/04/29/1
- http://www.openwall.com/lists/oss-security/2023/05/03/3
- http://www.openwall.com/lists/oss-security/2023/05/03/5
- http://www.openwall.com/lists/oss-security/2023/05/07/2
- https://blog.hackeriet.no/perl-http-tiny-insecure-tls-default-affects-cpan-modules/
- https://github.com/bluefeet/GitLab-API-v4/pull/57
- https://github.com/chansen/p5-http-tiny/pull/151
- https://www.openwall.com/lists/oss-security/2023/04/18/14
Affected products (1)
- cpe:2.3:a:gitlab\:\:api\:\:v4_project:gitlab\:\:api\:\:v4:*:*:*:*:*:*:*:*
Other CWE-295 (Improper Certificate Validation) vulnerabilities
- CVE-2026-4370 — Critical (CVSS 10.0): A vulnerability was identified in Juju from version 3.2.0 until 3.6.19 and from version 4.0 until 4.0.4, where the…
- CVE-2026-30836 — Critical (CVSS 10.0): Step CA is an online certificate authority for secure, automated certificate management for DevOps. Versions 0.30.0-rc6…
- CVE-2025-68121 — Critical (CVSS 10.0): During session resumption in crypto/tls, if the underlying Config has its ClientCAs or RootCAs fields mutated between…
- CVE-2022-20703 — Critical (CVSS 10.0): Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker…
- CVE-2021-1471 — Critical (CVSS 9.9): Multiple vulnerabilities in Cisco Jabber for Windows, Cisco Jabber for MacOS, and Cisco Jabber for mobile platforms…
- CVE-2026-20184 — Critical (CVSS 9.8): A vulnerability in the integration of single sign-on (SSO) with Control Hub in Cisco Webex Services could have allowed…
Browse all CWE-295 (Improper Certificate Validation) vulnerabilities →