Critical severity9.8NVD Advisory· Published Jul 17, 2020· Updated Jun 17, 2026
CVE-2020-5759
CVE-2020-5759
Description
Grandstream UCM6200 series firmware version 1.0.20.23 and below is vulnerable to OS command injection via SSH. An authenticated remote attacker can execute commands as the root user by issuing a specially crafted "unset" command.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4- cpe:2.3:o:grandstream:ucm6202_firmware:*:*:*:*:*:*:*:*Range: <=1.0.20.23
- cpe:2.3:o:grandstream:ucm6204_firmware:*:*:*:*:*:*:*:*Range: <=1.0.20.23
- cpe:2.3:o:grandstream:ucm6208_firmware:*:*:*:*:*:*:*:*Range: <=1.0.20.23
- Range: <=1.0.20.23
Patches
Vulnerability mechanics
References
2- www.tenable.com/cve/CVE-2020-5759nvdThird Party Advisory
- www.tenable.com/security/research/tra-2020-42nvdNot Applicable
News mentions
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