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CVE-2020-16154

20
FAUCET Score

CVE-2020-16154 describes a signature verification bypass vulnerability in the App::cpanminus package 1.7044 for Perl, affecting products like Fedora. This vulnerability carries a high CVSS score of 7.8, indicating a significant risk with potential for high impact on confidentiality, integrity, and availability, though it requires user interaction and local access. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
1.7044CPE matchmatch criteria
cpe:2.3:a:app\:\:cpanminus_project:app\:\:cpanminus:1.7044:*:*:*:*:perl:*:*
35CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.71%
Probability of exploitation in next 30 days
EPSS Percentile
49.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0071 is in the 46th percentile among its peer group of 11,617 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (3)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: perl-App-cpanminus:1.7044/perl-App-cpanminus
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: perl-App-cpanminus
redhatend of lifevia redhat_api
Product: Red Hat Software CollectionsFixed in: rh-perl530-perl-App-cpanminus

Vendor Advisories (1)

redhatCVE-2020-16154Moderate

perl-App-cpanminus: Bypass of verification of signatures in CHECKSUMS files

Nov 23, 2021

References

blog.hackeriet.no / cpan-signature-verification-vulnerabilities
ExploitThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/DENFY4CRTIZL5WYYUYUM4VKCJNXO4QIW
metacpan.org / pod/App::cpanminus
ProductThird Party Advisory