OS Command Injection Vulnerability in Grandstream UCM6200 Series Firmware
CVE-2020-5759

9.8CRITICAL

Key Information:

Vendor

Grandstream

Status
Grandstream Ucm6200 Series
Vendor
CVE Published:
17 July 2020

What is CVE-2020-5759?

The Grandstream UCM6200 series firmware versions up to 1.0.20.23 are susceptible to an OS command injection vulnerability via SSH. An attacker with authenticated access can exploit this flaw by executing a crafted 'unset' command, leading to the execution of arbitrary commands with root privileges. This attack vector poses significant risks to system integrity and confidentiality.

Affected Version(s)

Grandstream UCM6200 Series Versions 1.0.20.23 and below

References

https://www.tenable.com/security/research/tra-2020-42
x_refsource_CONFIRM

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.