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CVE-2020-16156

CPAN 2.28 allows Signature Verification Bypass.
7.8
CVSS
6.2
ShadowTrackr
NO
CISA KEV
-
NCSC.nl
CVSS v4.0 Metrics
Exploitability
Attack VectorLocal
ComplexityLow
RequirementsPresent
PrivilegesNone
User InteractionActive
Threat
Exploit MaturityPoC
Vulnerable System
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
Subsequent System
ConfidentialityNone
IntegrityNone
AvailabilityNone
Supplemental
SafetyNegligible
AutomatableYes
RecoveryAutomatic
Value DensityConcentrated
UrgencyMedium
Patch StatusUnavailable

Change Log
DateSourceChangesScore
2026-07-21PoCE: U→P4.0 → 6.2
2026-07-21nvdAV: P→L, AC: H→L, PR: H→N, VC: N→H, VI: N→H, VA: N→H0.0 → 4.0
2026-07-21cve.orginitial, patch: Unavailable0.0
References: CVE.org · NVD · PoC

Affected Software
VendorProductVersion
fedoraprojectfedora34
fedoraprojectfedora35
perlcomprehensive_perl_archive_network2.28
Published: 2021-12-13