CVE-2020-5757

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 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-2020-5757	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 07:33

NVD link : CVE-2020-5757

Mitre link : CVE-2020-5757

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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