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CVE-2020-15787

9.8 · CRITICAL

A vulnerability has been identified in SIMATIC HMI Unified Comfort Panels (All versions <= V16).

Published Sep 9, 2020CWE-305EPSS 1.48%

Overview

CVE-2020-15787 is a critical-severity vulnerability. It was published on September 9, 2020 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. 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 HMI Unified Comfort Panels (All versions <= V16). Affected devices insufficiently validate authentication attempts as the information given can be truncated to match only a set number of characters versus the whole provided string. This could allow a remote attacker to discover user passwords and obtain access to the Sm@rt Server via a brute-force attack.

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-542525.pdfRefcert-portal.siemens.com/productcert/pdf/ssa-542525.pdf

How CyberStrike helps

Frequently asked questions

What is CVE-2020-15787?

CVE-2020-15787 is a critical-severity vulnerability. It was published on September 9, 2020 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2020-15787?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2020-15787?

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-2020-15787?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-15787 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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