What’s Vulnerable › Vulnerabilities
CVE-2020-16156
- Severity: high (CVSS 7.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.9% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2021-12-13 · updated 2026-06-17
- Weakness: CWE-347
Description
CPAN 2.28 allows Signature Verification Bypass.
Affected products
- Fedoraproject Fedora: 34, 35
- perl Comprehensive Perl Archive Network: 2.28, 2.28-trial
References
- http://blogs.perl.org/users/neilb/2021/11/addressing-cpan-vulnerabilities-related-to-checksums.html
- https://blog.hackeriet.no/cpan-signature-verification-vulnerabilities/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SD6RYOJII7HRJ6WVORFNVTYNOFY5JDXN/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SZ32AJIV4RHJMLWLU5QULGKMMIHYOMDC/
- https://metacpan.org/pod/distribution/CPAN/scripts/cpan
- http://blogs.perl.org/users/neilb/2021/11/addressing-cpan-vulnerabilities-related-to-checksums.html
- https://blog.hackeriet.no/cpan-signature-verification-vulnerabilities/
- https://lists.debian.org/debian-lts-announce/2024/10/msg00017.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SD6RYOJII7HRJ6WVORFNVTYNOFY5JDXN/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SZ32AJIV4RHJMLWLU5QULGKMMIHYOMDC/
- https://metacpan.org/pod/distribution/CPAN/scripts/cpan
Get alerted when CVE-2020-16156 or the next vulnerability affects your stack