Cyber Resilience

CVE-2020-12067

High

Published: 26 December 2022

Published
26 December 2022
Modified
14 April 2025
KEV Added
—
Patch
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CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS Score 0.0014 33.9th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2020-12067 is a high-severity Weak Password Recovery Mechanism for Forgotten Password (CWE-640) vulnerability in Pilz Pmc. Its CVSS base score is 7.5 (High).

Operationally, ranked at the 33.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

In Pilz PMC programming tool 3.x before 3.5.17 (based on CODESYS Development System), a user's password may be changed by an attacker without knowledge of the current password.

CWE(s)
CWE-640

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

pilz
pmc
3.0.0 — 3.5.17

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

IA-5 Authenticator Management
addresses: CWE-640

Establishing procedures for lost or compromised authenticators addresses weak password recovery mechanisms.

References