VULNERABILITY INTELLIGENCE

CVE-2020-12069

CVSS score7.8 HIGH
EPSS probability0.17%
CISA KEVNot currently listed
Published2022-12-26
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

In CODESYS V3 products in all versions prior V3.5.16.0 containing the CmpUserMgr, the CODESYS Control runtime system stores the online communication passwords using a weak hashing algorithm. This can be used by a local attacker with low privileges to gain full control of the device.

Weakness classification

  • CWE-916: Use of Password Hash With Insufficient Computational Effort

Primary references