CVE-2023-32737 — Deserialization of Untrusted Data in Siemens Simatic Step 7 Safety V18
Severity
7.0HIGHNVD
EPSS
0.1%
top 82.89%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJul 9
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.
CVSS vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N