What is CVE-2023-29131?

CVE-2023-29131 is a high-severity vulnerability in Siemens Simatic Cn 4100, classified under Incorrect Default Permissions. CVSS score: 7.4/10. Published 2023-07-11.

How severe is CVE-2023-29131?

High severity. CVSS v3 base score is 7.4 out of 10.

Vulnerability in Siemens Simatic Cn 4100

CVE-2023-29131

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V2.5). Affected device consists of an incorrect default value in the SSH configuration. This could allow an attacker to bypass network isolation.

EPSS: 0.000 (7.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L/E:P/RL:O/RC:C.

Affected products

Siemens Simatic Cn 4100 — versions All versions < V2.5

Weakness classification (CWE)

CWE-276 — Incorrect Default Permissions

References

cert-portal.siemens.com/productcert/pdf/ssa-313488.pdf

Frequently asked questions

What is CVE-2023-29131?: CVE-2023-29131 is a high-severity vulnerability in Siemens Simatic Cn 4100, classified under Incorrect Default Permissions. CVSS score: 7.4/10. Published 2023-07-11.
How severe is CVE-2023-29131?: High severity. CVSS v3 base score is 7.4 out of 10.