CVE-2023-49621

9.8 criticalEPSS 0.6%

Critical (9.8) in siemens simatic cn 4100 firmware. EPSS 0.6% chance of exploitation in the next 30 days.

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 gain complete control of the affected device.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 48% of CVEs (scores of 2026-10-31)
CWE: CWE-1392
Published: 2024-01-09
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

siemens:simatic_cn_4100_firmware

References

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

Check your stack JSON