How severe is CVE-2020-16154?

CVE-2020-16154 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-16154 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-16154?

CVE-2020-16154 primarily affects App. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-16154?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-16154 published?

CVE-2020-16154 was published on 2021-12-13 and last updated on 2026-06-17.

CVE-2020-16154

CVE-2020-16154 is a high-severity vulnerability in App with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-347.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-347
Affected product: App
Published: 2021-12-13
Last modified: 2026-06-17

Description

The App::cpanminus package 1.7044 for Perl allows Signature Verification Bypass.

Frequently asked questions

What is CVE-2020-16154?: The App::cpanminus package 1.7044 for Perl allows Signature Verification Bypass.
How severe is CVE-2020-16154?: CVE-2020-16154 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-16154 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-16154?: CVE-2020-16154 primarily affects App. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-16154?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-16154 published?: CVE-2020-16154 was published on 2021-12-13 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:app\:\:cpanminus_project:app\:\:cpanminus:1.7044:*:*:*:*:perl:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*

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