VulnerabilityModified
CVE-2020-5757
Grandstream UCM6200 series firmware version 1.0.20.23 and below is vulnerable to OS command injection via HTTP.
CRITICAL 9.8EPSS 6.93%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (6.93%). 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 HTTP. An authenticated remote attacker can bypass command injection mitigations and execute commands as the root user by sending a crafted HTTP POST to the UCM's "New" HTTPS API.
- 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
- 6.93% probability · 94th 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-2020-5757Third Party Advisory
- https://www.tenable.com/security/research/tra-2020-42Not Applicable
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.