Description
A vulnerability has been identified in SIMATIC PCS neo V4.0 (All versions), SIMATIC STEP 7 V16 (All versions), SIMATIC STEP 7 V17 (All versions), SIMATIC STEP 7 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.
References (1)
Core 1
Core References
Vendor Advisory
https://cert-portal.siemens.com/productcert/html/ssa-825651.html
Scores
CVSS v3
7.8
EPSS
0.0009
EPSS Percentile
25.8%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-502
Status
published
Products (4)
Siemens/SIMATIC PCS neo V4.0
Siemens/SIMATIC STEP 7 V16
Siemens/SIMATIC STEP 7 V17
Siemens/SIMATIC STEP 7 V18
< V18 Update 2
Published
Jul 09, 2024
Tracked Since
Feb 18, 2026