Vulnerability in Perl Comprehensive Archive Network

CVE-2020-16156

CPAN 2.28 allows Signature Verification Bypass.

EPSS: 0.008 (52.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-16156?
CVE-2020-16156 is a high-severity vulnerability in Perl Comprehensive Archive Network, classified under Improper Verification of Cryptographic Signature. CVSS score: 7.8/10. Published 2021-12-13.
How severe is CVE-2020-16156?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2020-16156 known to be exploited?
16 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.