CVE Vulnerability

CVE-2021-37915

An issue was discovered on the Grandstream HT801 Analog Telephone Adaptor before 1.0.29.8. From the limited configuration shell, it is possible to set the malicious gdb_debug_server variable. As a result, after a reboot, the device downloads and executes malicious scripts from an attacker-defined host.

9 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8 / Impact : 10

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

Scope

8.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
http://firmware.grandstream.com/BETA/Release_Note_HT80x_1.0.29.8.pdf Broken Link
http://www.grandstream.com/products/gateways-and-atas/analog-telephone-adaptors/product/ht801 Product Vendor Advisory
https://www.secforce.com/blog/exploiting-grandstream-ht801-ata-cve-2021-37748-cve-2021-37915/ Exploit Third Party Advisory
Configurations

Configuration 1
Information

Published : 2021-10-28 12:15

Updated : 2021-11-02 02:50

NVD link : CVE-2021-37915

Mitre link : CVE-2021-37915

Products Affected
No products.
CWE
NVD-CWE-noinfo