Auth bypass in Wago 750-362
CVE-2020-12506
Improper Authentication vulnerability in WAGO 750-8XX series with FW version <= FW03 allows an attacker to change the settings of the devices by sending specifically constructed requests without authentication This issue affects: WAGO 750-362, WAGO 750-363, WAGO 750-823, WAGO 750-832/xxx-xxx, WAGO 750-862, WAGO 750-891, WAGO 750-890/xxx-xxx in versions FW03 and prior versions.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.
EPSS exploit prediction
EPSS: 0.015 (73.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- Wago 750-362 — versions unspecified
- Wago 750-362 Firmware
- Wago 750-363 — versions unspecified
- Wago 750-363 Firmware
- Wago 750-823 — versions unspecified
- Wago 750-823 Firmware
- Wago 750-832
- Wago 750-832 Firmware
- Wago 750-832/xxx-Xxx — versions unspecified
- Wago 750-862 — versions unspecified
Weakness classification (CWE)
References
- cert.vde.com/en-us/advisories/vde-2020-028 (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-12506?
- CVE-2020-12506 is a critical-severity vulnerability in Wago 750-362, classified under Missing Authentication for Critical Function. CVSS score: 9.1/10. Published 2020-09-30.
- How severe is CVE-2020-12506?
- Critical severity. CVSS v3 base score is 9.1 out of 10.