Vulnerability in Wago 750-8212 Pfc200
CVE-2022-50926
WAGO 750-8212 PFC200 G2 2ETH RS firmware contains a privilege escalation vulnerability that allows attackers to manipulate user session cookies. Attackers can modify the cookie's 'name' and 'roles' parameters to elevate from ordinary user to administrative privileges without 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: 0.006 (43.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 43.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.001
Affected products
- Wago 750-8212 Pfc200 — versions Firmware version 03.05.10(17)
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/50793 (exploit)
- www.wago.com (product)
- www.vulncheck.com/advisories/wago-pfc-g-eth-rs-privilege-escalation (third-party-advisory)
Frequently asked questions
- What is CVE-2022-50926?
- CVE-2022-50926 is a critical-severity vulnerability in Wago 750-8212 Pfc200, classified under Reliance on Cookies without Validation and Integrity Checking. CVSS score: 9.8/10. Published 2026-01-13.
- How severe is CVE-2022-50926?
- Critical severity. CVSS v3 base score is 9.8 out of 10.