VulnerabilityModified
CVE-2020-5759
Grandstream UCM6200 series firmware version 1.0.20.23 and below is vulnerable to OS command injection via SSH.
CRITICAL 9.8EPSS 3.20%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.20%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 3.20% probability · 87th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-78
- Affected
- grandstream/ucm6202 firmware · grandstream/ucm6204 firmware · grandstream/ucm6208 firmware
- Source
- vulnreport@tenable.com
References
- https://www.tenable.com/security/research/tra-2020-42Not Applicable
- https://www.tenable.com/cve/CVE-2020-5759Third Party Advisory
- https://www.tenable.com/security/research/tra-2020-42Not Applicable
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.