CVE-2023-32737

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.

Category

7.0
CVSS
Severity: High
CVSS 4.0 •
CVSS 3.1 •
EPSS 0.20%
Affected: Siemens SIMATIC STEP 7 Safety V18
Published at:
Updated at:

References

Link Tags
https://cert-portal.siemens.com/productcert/html/ssa-313039.html

Frequently Asked Questions

What is the severity of CVE-2023-32737?
CVE-2023-32737 has been scored as a high severity vulnerability.
How to fix CVE-2023-32737?
To fix CVE-2023-32737, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-32737 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-32737 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-32737?
CVE-2023-32737 affects Siemens SIMATIC STEP 7 Safety V18.
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