Deserialization in Siemens Simatic S7-plcsim V16

CVE-2024-49849

A vulnerability has been identified in SIMATIC S7-PLCSIM V16 (All versions), SIMATIC S7-PLCSIM V17 (All versions), SIMATIC STEP 7 Safety V16 (All versions), SIMATIC STEP 7 Safety V17 (All versions < V17 Update 9), SIMATIC STEP 7 Safety V18…

Vulnerability class: Insecure Deserialization

EPSS: 0.001 (28.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-49849?
CVE-2024-49849 is a high-severity vulnerability in Siemens Simatic S7-plcsim V16, classified under Deserialization of Untrusted Data. CVSS score: 7.8/10. Published 2024-12-10.
How severe is CVE-2024-49849?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2024-49849 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.