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Status published
High
CVE-2020-16156
CPAN 2.28 allows Signature Verification Bypass....
Vulnerability Description
CPAN 2.28 allows Signature Verification Bypass.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://metacpan.org/pod/distribution/CPAN/scripts/cpan
- https://blog.hackeriet.no/cpan-signature-verification-vulnerabilities/
- http://blogs.perl.org/users/neilb/2021/11/addressing-cpan-vulnerabilities-related-to-checksums.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SZ32AJIV4RHJMLWLU5QULGKMMIHYOMDC/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SD6RYOJII7HRJ6WVORFNVTYNOFY5JDXN/
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Affected Vendor
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View all reports →Affected Software
comprehensive perl archive network, fedora
Vulnerable Versions:
2.28, 34, 35
Timeline
Official Publish:
December 13th, 2021
Last Modified:
November 3rd, 2025
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.