CVE-2020-25242

Description

A vulnerability has been identified in SIMATIC NET CP 343-1 Advanced (incl. SIPLUS variants) (All versions), SIMATIC NET CP 343-1 Lean (incl. SIPLUS variants) (All versions), SIMATIC NET CP 343-1 Standard (incl. SIPLUS variants) (All versions). Specially crafted packets sent to TCP port 102 could cause a Denial-of-Service condition on the affected devices. A cold restart might be necessary in order to recover.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.15%
Vendor Advisory siemens.com
Affected: Siemens SIMATIC NET CP 343-1 Advanced (incl. SIPLUS variants)
Affected: Siemens SIMATIC NET CP 343-1 Lean (incl. SIPLUS variants)
Affected: Siemens SIMATIC NET CP 343-1 Standard (incl. SIPLUS variants)
Published at:
Updated at:

References

Link Tags
https://cert-portal.siemens.com/productcert/pdf/ssa-676775.pdf vendor advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-131-07 third party advisory us government resource

Frequently Asked Questions

What is the severity of CVE-2020-25242?
CVE-2020-25242 has been scored as a high severity vulnerability.
How to fix CVE-2020-25242?
To fix CVE-2020-25242, 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-2020-25242 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-25242 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-2020-25242?
CVE-2020-25242 affects Siemens SIMATIC NET CP 343-1 Advanced (incl. SIPLUS variants), Siemens SIMATIC NET CP 343-1 Lean (incl. SIPLUS variants), Siemens SIMATIC NET CP 343-1 Standard (incl. SIPLUS variants).
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