CVE-2023-31484
HIGHCVSS 8.1/10EPSS 1.56%
Last modified
CVE-2023-31484 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. CPAN.pm before 2.35 does not verify TLS certificates when downloading distributions over HTTPS.. EPSS estimates a 1.56% chance of exploitation in the next 30 days.
Description
CPAN.pm before 2.35 does not verify TLS certificates when downloading distributions over HTTPS.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cpanpm Project | Cpanpm | < 2.35 |
| Perl | Perl | < 5.38.0 |
References
- http://www.openwall.com/lists/oss-security/2023/04/29/1Mailing List, Patch
- http://www.openwall.com/lists/oss-security/2023/05/03/3Mailing List, Patch
- https://blog.hackeriet.no/perl-http-tiny-insecure-tls-default-affects-cpan-modules/Mitigation, Patch, Third Party Advisory
- https://github.com/andk/cpanpm/pull/175Exploit, Issue Tracking
- https://metacpan.org/dist/CPAN/changesRelease Notes
- https://www.openwall.com/lists/oss-security/2023/04/18/14Mailing List, Patch
- http://www.openwall.com/lists/oss-security/2023/04/29/1Mailing List, Patch
- http://www.openwall.com/lists/oss-security/2023/05/03/3Mailing List, Patch
- https://blog.hackeriet.no/perl-http-tiny-insecure-tls-default-affects-cpan-modules/Mitigation, Patch, Third Party Advisory
- https://github.com/andk/cpanpm/pull/175Exploit, Issue Tracking
- https://metacpan.org/dist/CPAN/changesRelease Notes
- https://www.openwall.com/lists/oss-security/2023/04/18/14Mailing List, Patch
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-31484?
CPAN.pm before 2.35 does not verify TLS certificates when downloading distributions over HTTPS.
How severe is CVE-2023-31484?
CVE-2023-31484 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 1.56% probability of exploitation in the next 30 days.
How do I fix CVE-2023-31484?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2023-31484?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
