VulnerabilityModified
CVE-2020-16156
CPAN 2.28 allows Signature Verification Bypass.
HIGH 7.8EPSS 0.80%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.80%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
CPAN 2.28 allows Signature Verification Bypass.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 0.80% probability · 54th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-347
- Affected
- perl/comprehensive perl archive network · fedoraproject/fedora
- Source
- cve@mitre.org
References
- http://blogs.perl.org/users/neilb/2021/11/addressing-cpan-vulnerabilities-related-to-checksums.htmlExploit, Third Party Advisory
- https://blog.hackeriet.no/cpan-signature-verification-vulnerabilities/Exploit, Third Party Advisory
- 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/cpanProduct, Third Party Advisory
- http://blogs.perl.org/users/neilb/2021/11/addressing-cpan-vulnerabilities-related-to-checksums.htmlExploit, Third Party Advisory
- https://blog.hackeriet.no/cpan-signature-verification-vulnerabilities/Exploit, Third Party Advisory
- 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/cpanProduct, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.