Vulnerabilities > CVE-2020-12069 - Use of Password Hash With Insufficient Computational Effort vulnerability in multiple products
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
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.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://cert.vde.com/en/advisories/VDE-2021-061/
- https://cert.vde.com/en/advisories/VDE-2022-022/
- https://cert.vde.com/en/advisories/VDE-2022-031/
- https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=12943&token=d097958a67ba382de688916f77e3013c0802fade&download=
- https://cert.vde.com/en/advisories/VDE-2021-061/
- https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=12943&token=d097958a67ba382de688916f77e3013c0802fade&download=
- https://cert.vde.com/en/advisories/VDE-2022-031/
- https://cert.vde.com/en/advisories/VDE-2022-022/