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CVE-2020-25242

7.5 · HIGH

A vulnerability has been identified in SIMATIC NET CP 343-1 Advanced (incl.

Published May 12, 2021CWE-400EPSS 1.27%

Overview

CVE-2020-25242 is a high-severity vulnerability. It was published on May 12, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refcert-portal.siemens.com/productcert/pdf/ssa-676775.pdfRefcert-portal.siemens.com/productcert/pdf/ssa-676775.pdfRefcert-portal.siemens.com/productcert/pdf/ssa-676775.pdfRefcert-portal.siemens.com/productcert/pdf/ssa-676775.pdfCISAus-cert.cisa.gov/ics/advisories/icsa-21-131-07Refcert-portal.siemens.com/productcert/pdf/ssa-676775.pdfRefcert-portal.siemens.com/productcert/pdf/ssa-676775.pdfRefcert-portal.siemens.com/productcert/pdf/ssa-676775.pdfRefcert-portal.siemens.com/productcert/pdf/ssa-676775.pdfCISAus-cert.cisa.gov/ics/advisories/icsa-21-131-07

How CyberStrike helps

Frequently asked questions

What is CVE-2020-25242?

CVE-2020-25242 is a high-severity vulnerability. It was published on May 12, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2020-25242?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2020-25242?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2020-25242?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-25242 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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