Deserialization in Siemens Simatic Pcs Neo V4.1

CVE-2024-54678

A vulnerability has been identified in SIMATIC PCS neo V4.1 (All versions), SIMATIC PCS neo V5.0 (All versions), SIMATIC PCS neo V6.0 (All versions), SIMATIC S7-PLCSIM V17 (All versions), SIMATIC STEP 7 V17 (All versions < V17 Update 9), S…

Vulnerability class: Insecure Deserialization

EPSS: 0.001 (24.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2024-54678?
CVE-2024-54678 is a high-severity vulnerability in Siemens Simatic Pcs Neo V4.1, classified under Deserialization of Untrusted Data. CVSS score: 8.2/10. Published 2025-08-12.
How severe is CVE-2024-54678?
High severity. CVSS v3 base score is 8.2 out of 10.