CVE-2023-32737 | THREATINT

Description

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 attacker to cause a type confusion and execute arbitrary code within the affected application. This is the same issue that exists for .NET BinaryFormatter https://docs.microsoft.com/en-us/visualstudio/code-quality/ca2300.

PUBLISHED Reserved 2023-05-12 | Published 2024-07-09 | Updated 2025-08-27 | Assigner siemens

MEDIUM: 6.3CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C

HIGH: 7.0CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Problem types

CWE-502: Deserialization of Untrusted Data

Product status

Default status

unknown

Any version before V18 Update 2

affected

References

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

cve.org (CVE-2023-32737)

nvd.nist.gov (CVE-2023-32737)

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