Auth bypass in Wago 751-9301
CVE-2022-45140
The configuration backend allows an unauthenticated user to write arbitrary data with root privileges to the storage, which could lead to unauthenticated remote code execution and full system compromise.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.011 (64.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- Wago 751-9301
- Wago 751-9301 Firmware — versions 22, 23
- Wago 752-8303\/8000-002
- Wago 752-8303\/8000-002 Firmware — versions 22, 23
- Wago Compact Controller Cc100 (751-9301) — versions FW16, FW22 Patch 1, FW23
- Wago Edge Controller (752-8303/8000-002) — versions FW16, FW22 Patch 1, FW23
- Wago Pfc100
- Wago Pfc100 (750-81xx/xxx-Xxx) — versions FW16, FW22 Patch 1, FW23
- Wago Pfc100 Firmware — versions 22, 23
- Wago Pfc200
Weakness classification (CWE)
References
- cert.vde.com/en/advisories/VDE-2022-060/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2022-45140?
- CVE-2022-45140 is a critical-severity vulnerability in Wago 751-9301, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2023-02-27.
- How severe is CVE-2022-45140?
- Critical severity. CVSS v3 base score is 9.8 out of 10.