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.

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-…

Vulnerability class: Broken Authentication

EPSS: 0.003 (50.6th percentile) — read the EPSS interpretation.

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.

Affected products

Wago 750-362 — versions unspecified
Wago 750-363 — versions unspecified
Wago 750-823 — versions unspecified
Wago 750-832/xxx-xxx — versions unspecified
Wago 750-862 — versions unspecified
Wago 750-890/xxx-xxx — versions unspecified
Wago 750-891 — versions unspecified

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

cert.vde.com/en-us/advisories/vde-2020-028 (x_refsource_CONFIRM)

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.