Vulnerability in Codesys V3 Containing The Cmpusermgr
CVE-2020-12069
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 pr…
EPSS: 0.001 (19.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Codesys V3 Containing The Cmpusermgr — versions V3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- customers.codesys.com/index.php (vendor-advisory)
- cert.vde.com/en/advisories/VDE-2021-061/ (vendor-advisory)
- cert.vde.com/en/advisories/VDE-2022-031/ (vendor-advisory)
- cert.vde.com/en/advisories/VDE-2022-022/ (vendor-advisory)
Frequently asked questions
- What is CVE-2020-12069?
- CVE-2020-12069 is a high-severity vulnerability in Codesys V3 Containing The Cmpusermgr, classified under Use of Password Hash With Insufficient Computational Effort. CVSS score: 7.8/10. Published 2022-12-26.
- How severe is CVE-2020-12069?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2020-12069 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.