Auth bypass in Wago 750-831
CVE-2020-12505
Improper Authentication vulnerability in WAGO 750-8XX series with FW version <= FW07 allows an attacker to change some special parameters without authentication. This issue affects: WAGO 750-852, WAGO 750-880/xxx-xxx, WAGO 750-881, WAGO 75…
Vulnerability class: Broken Authentication
EPSS: 0.012 (66.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H.
Affected products
- Wago 750-831
- Wago 750-831_firmware
- Wago 750-831/xxx-xxx — versions unspecified
- Wago 750-852 — versions unspecified
- Wago 750-852_firmware
- Wago 750-880
- Wago 750-880_firmware
- Wago 750-880/xxx-xxx — versions unspecified
- Wago 750-881 — versions unspecified
- Wago 750-881_firmware
Weakness classification (CWE)
References
- info@cert.vde.com (x_refsource_CONFIRM, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-12505?
- CVE-2020-12505 is a high-severity vulnerability in Wago 750-831, classified under Missing Authentication for Critical Function. CVSS score: 8.2/10. Published 2020-09-30.
- How severe is CVE-2020-12505?
- High severity. CVSS v3 base score is 8.2 out of 10.