CVE-2020-12069 HIGH

CVE-2020-12069: CODESYS V3 prone to Inadequate Password Hashing

Vendor Codesys
Product CODESYS V3 containing the CmpUserMgr
Weakness CWE-916
Published December 26, 2022
Last update April 14, 2025
View on NVD All CVEs

CVSS base score

7.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

December 26, 2022 CVE published
April 14, 2025 Record updated