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Security Database

CVE

CWE

Training

CVE-2020-12069

Published: Dec 26, 2022

Modified: Apr 14, 2025

PUBLISHED

CVSS v3.1

7.8

HIGH

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.

Vendor	Product	Versions
CODESYS	CODESYS V3 containing the CmpUserMgr	affected `V3 - < V3.5.16.0`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=12943&token=d097958a67ba382de688916f77e3013c0802fade&download=

vendor-advisory

https://cert.vde.com/en/advisories/VDE-2021-061/

vendor-advisory

https://cert.vde.com/en/advisories/VDE-2022-031/

vendor-advisory

https://cert.vde.com/en/advisories/VDE-2022-022/

vendor-advisory

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