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CVE-2019-11355

7.2 · HIGH

An issue was discovered in Poly (formerly Polycom) HDX 3.1.13.

Published Mar 12, 2020CWE-78EPSS 1.08%

Overview

CVE-2019-11355 is a high-severity vulnerability. It was published on March 12, 2020 and has a CVSS 3.1 base score of 7.2 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

An issue was discovered in Poly (formerly Polycom) HDX 3.1.13. A feature exists that allows the creation of a server / client certificate, or the upload of the user certificate, on the administrator's page. The value received from the user is the factor value of a shell script on the equipment. By entering a special character (such as a single quote) in a CN or other CSR field, one can insert a command into a factor value. A system command can be executed as root.

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

Refsupport.polycom.com/content/dam/polycom-support/global/documentation/hdx-3-1-14-advisory.pdfRefsupport.polycom.com/content/dam/polycom-support/global/documentation/hdx-3-1-14-advisory.pdf

How CyberStrike helps

Frequently asked questions

What is CVE-2019-11355?

CVE-2019-11355 is a high-severity vulnerability. It was published on March 12, 2020 and has a CVSS 3.1 base score of 7.2 (HIGH).

How severe is CVE-2019-11355?

This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2019-11355?

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-2019-11355?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2019-11355 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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