VULNERABILITY INTELLIGENCE

CVE-2023-32737

CVSS score6.3 MEDIUM
EPSS probability0.18%
CISA KEVNot currently listed
Published2024-07-09
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H

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.

Weakness classification

  • productcert@siemens.com: CWE-502

Primary references