CVE Vulnerability

CVE-2021-35031

A vulnerability in the TFTP client of Zyxel GS1900 series firmware, XGS1210 series firmware, and XGS1250 series firmware, which could allow an authenticated LAN user to execute arbitrary OS commands via the GUI of the vulnerable device.

7.7 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 5.1 / Impact : 10

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

Scope

8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2.1 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://www.zyxel.com/support/Zyxel_security_advisory_for_OS_command_injection_vulnerabilities_of_switches.shtml Patch Vendor Advisory
Configurations

Configuration 1
Information

Published : 2021-12-28 11:15

Updated : 2022-01-07 04:59

NVD link : CVE-2021-35031

Mitre link : CVE-2021-35031

Products Affected

Gs1900-8hp Firmware

Zyxel

CWE
CWE-78