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.

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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

EPSS Score

8% chance of being exploited in the next 30 days.

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

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