Vulnerability in Cpanpm Project
CVE-2023-31484
CPAN.pm before 2.35 does not verify TLS certificates when downloading distributions over HTTPS.
Vulnerability class: Improper Certificate Validation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.015 (74.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- blog.hackeriet.no/perl-http-tiny-insecure-tls-default-affects-cpan-modules/ (Patch, Third Party Advisory, Mitigation)
- www.openwall.com/lists/oss-security/2023/04/18/14 (Patch, Mailing List)
- github.com/andk/cpanpm/pull/175 (Exploit, Issue Tracking)
- metacpan.org/dist/CPAN/changes (Release Notes)
- www.openwall.com/lists/oss-security/2023/04/29/1 (mailing-list, Patch, Mailing List)
- www.openwall.com/lists/oss-security/2023/05/03/3 (mailing-list, Patch, Mailing List)
- www.openwall.com/lists/oss-security/2023/05/03/5 (mailing-list, Mailing List)
- www.openwall.com/lists/oss-security/2023/05/07/2 (mailing-list, Mailing List)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2023-31484?
- CVE-2023-31484 is a high-severity vulnerability in Cpanpm Project, classified under Improper Certificate Validation. CVSS score: 8.1/10. Published 2023-04-29.
- How severe is CVE-2023-31484?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2023-31484 known to be exploited?
- 19 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.