CVE-2020-5759

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 v3.0 9.8 CRITICAL
CVSS v2.0 10.0 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

10.0^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 10.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://www.tenable.com/security/research/tra-2020-42	Not Applicable
https://www.tenable.com/cve/CVE-2020-5759	Third Party Advisory

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Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:grandstream:ucm6202_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:grandstream:ucm6202:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:grandstream:ucm6204_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:grandstream:ucm6204:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:grandstream:ucm6208_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:grandstream:ucm6208:-:*:*:*:*:*:*:*

Information

Published : 2020-07-17 14:15

Updated : 2020-07-23 07:24

NVD link : CVE-2020-5759

Mitre link : CVE-2020-5759

JSON object : View

CWE

CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

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Products Affected

grandstream

ucm6208_firmware
ucm6202
ucm6208
ucm6204
ucm6202_firmware
ucm6204_firmware

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