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CVE-2020-12069

CODESYS V3 prone to Inadequate Password Hashing

Published: Dec 26, 2022Updated: May 5, 2025 Sources: CVE List NVD csafCWE-916
NVD MITRE
7.8CVSSHIGH
EPSS Score
0.2%
Top 94.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-916

Affected Products

pmcpilz
Embedded
ICS / OT / IoT / plc-scada-hmi
control for beaglebonecodesysICS / OT / IoT
control for empc-a\/imx6codesysICS / OT / IoT
control for iot2000codesysICS / OT / IoT
control for linuxcodesysICS / OT / IoT
pilzcommercialDEICS / OT / IoT
codesysoss-projectDEICS / OT / IoTaka codesys gmbh
and 60 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Credential Access
View detailed technique mapping

References

https://cert.vde.com/en/advisories/VDE-2021-061/
cert.vde.com
https://cert.vde.com/en/advisories/VDE-2022-022/
cert.vde.com
https://cert.vde.com/en/advisories/VDE-2022-031/
cert.vde.com
and 229 more references View all →

Timeline

Published
Dec 26, 2022
Last Updated
May 5, 2025

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