CVE-2020-16156

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.80% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 54.0% of scored records. A rank, not a probability.

NVD base score

7.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2021-12-13 17:03Z4 YR AGO

Last updated

2025-11-03 21:44Z10 MO AGO

Reserved

2020-07-30

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-347Improper Verification of Cryptographic SignatureBase

Data version

5.2

Document digest

2403cb0c336cc9779a88432644aa69c432b0947d7f187b51e5b57a2a4a4edbd8

• metacpan.orghttps://metacpan.org/pod/distribution/CPAN/scripts/cpanx_refsource_MISC
• blog.hackeriet.nohttps://blog.hackeriet.no/cpan-signature-verification-vulnerabilities/x_refsource_MISC
• blogs.perl.orghttp://blogs.perl.org/users/neilb/2021/11/addressing-cpan-vulnerabilities-related-to-checksums.htmlx_refsource_MISC
• lists.fedoraproject.orgFEDORA-2022-21e8372c42https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SZ32AJIV4RHJMLWLU5QULGKMMIHYOMDC/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2022-84fd87f7ebhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SD6RYOJII7HRJ6WVORFNVTYNOFY5JDXN/vendor-advisoryx_refsource_FEDORA
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2024/10/msg00017.html