What is CVE-2020-25228?

CVE-2020-25228 is a critical-severity vulnerability in Siemens Logo\!_8_bm, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2020-12-14.

How severe is CVE-2020-25228?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Siemens Logo\!_8_bm

CVE-2020-25228

A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions < V8.3). A service available on port 10005/tcp of the affected devices could allow complete access to all services without authorization. An attacker c…

Vulnerability class: Broken Authentication

EPSS: 0.014 (69.1th percentile) — read the EPSS interpretation.

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.

Affected products

Siemens Logo\!_8_bm
Siemens Logo\!_8_bm_firmware
Siemens Logo! 8 Bm (Incl. Siplus Variants) — versions All versions < V8.3

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

productcert@siemens.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2020-25228?: CVE-2020-25228 is a critical-severity vulnerability in Siemens Logo\!_8_bm, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2020-12-14.
How severe is CVE-2020-25228?: Critical severity. CVSS v3 base score is 9.8 out of 10.