What is CVE-2023-32737?

CVE-2023-32737 is a medium-severity vulnerability in Siemens Simatic Step 7 Safety V18, classified under Deserialization of Untrusted Data. CVSS score: 6.3/10. Published 2024-07-09.

How severe is CVE-2023-32737?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Deserialization in Siemens Simatic Step 7 Safety V18

CVE-2023-32737

A vulnerability has been identified in SIMATIC STEP 7 Safety V18 (All versions < V18 Update 2). Affected applications do not properly restrict the .NET BinaryFormatter when deserializing user-controllable input. This could allow an attacke…

Vulnerability class: Insecure Deserialization

EPSS: 0.001 (17.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C.

Affected products

Siemens Simatic Step 7 Safety V18 — versions 0

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

cert-portal.siemens.com/productcert/html/ssa-313039.html

Frequently asked questions

What is CVE-2023-32737?: CVE-2023-32737 is a medium-severity vulnerability in Siemens Simatic Step 7 Safety V18, classified under Deserialization of Untrusted Data. CVSS score: 6.3/10. Published 2024-07-09.
How severe is CVE-2023-32737?: Medium severity. CVSS v3 base score is 6.3 out of 10.