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CVE-2020-12069

7.8 · HIGH

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.

Published Dec 26, 2022CWE-916EPSS 0.17%

Overview

CVE-2020-12069 is a high-severity vulnerability. It was published on December 26, 2022 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refcert.vde.com/en/advisories/VDE-2021-061/Refcert.vde.com/en/advisories/VDE-2022-022/Refcert.vde.com/en/advisories/VDE-2022-031/Refcustomers.codesys.com/index.php?eID=dumpFile&t=f&f=12943&token=d097958a67ba382de688916f77e3013c0802fade&download=Refcert.vde.com/en/advisories/VDE-2021-061/Refcert.vde.com/en/advisories/VDE-2022-022/Refcert.vde.com/en/advisories/VDE-2022-031/Refcustomers.codesys.com/index.php?eID=dumpFile&t=f&f=12943&token=d097958a67ba382de688916f77e3013c0802fade&download=

How CyberStrike helps

Frequently asked questions

What is CVE-2020-12069?

CVE-2020-12069 is a high-severity vulnerability. It was published on December 26, 2022 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2020-12069?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2020-12069?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2020-12069?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-12069 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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