CVE-2019-11355
7.2 · HIGHOverview
CVE-2019-11355 is a high-severity vulnerability affecting polycom hdx_system_software. 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 and patches from polycom. Update hdx_system_software to the latest patched version. 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.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| polycom | hdx_system_software | 0 | Affected |
Frequently Asked Questions
What is CVE-2019-11355?
CVE-2019-11355 is a high-severity vulnerability affecting polycom hdx_system_software. 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 and patches from polycom. Update hdx_system_software to the latest patched version. 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's AI-powered security agents can automatically detect CVE-2019-11355 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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