What is CVE-2023-49621?

CVE-2023-49621 is a critical-severity vulnerability in Siemens Simatic Cn 4100, classified under CWE-1392. CVSS score: 9.8/10. Published 2024-01-09.

How severe is CVE-2023-49621?

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

Vulnerability in Siemens Simatic Cn 4100

CVE-2023-49621

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V2.7). The "intermediate installation" system state of the affected application uses default credential with admin privileges. An attacker could use the credentials to…

EPSS: 0.002 (35.4th 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/E:P/RL:O/RC:C.

Affected products

Siemens Simatic Cn 4100 — versions All versions < V2.7

Weakness classification (CWE)

CWE-1392

References

cert-portal.siemens.com/productcert/pdf/ssa-777015.pdf

Frequently asked questions

What is CVE-2023-49621?: CVE-2023-49621 is a critical-severity vulnerability in Siemens Simatic Cn 4100, classified under CWE-1392. CVSS score: 9.8/10. Published 2024-01-09.
How severe is CVE-2023-49621?: Critical severity. CVSS v3 base score is 9.8 out of 10.