CVE-2020-12069
CODESYS V3 prone to Inadequate Password Hashing
- State
- Published
- Severity
- 7.8 High
- Published
- Dec 26, 2022
- Updated
- Apr 14, 2025
- Reserved
- Apr 22, 2020
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.8 High | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | CERTVDE |
Weaknesses
- CWE-916 Use of Password Hash With Insufficient Computational Effort
Affected Products
| Product | Versions |
|---|---|
CODESYS V3 containing the CmpUserMgrCODESYS |
|
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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