CVE Vulnerability

CVE-2021-35030

A vulnerability was found in the CGI program in Zyxel GS1900-8 firmware version V2.60, that did not properly sterilize packet contents and could allow an authenticated, local user to perform a cross-site scripting (XSS) attack via a crafted LLDP packet.

2.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 4.4 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

4.3 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.2 / Impact : 2.7

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References
Link Resource
https://www.zyxel.com/support/Zyxel_security_advisory_for_XSS_vulnerability_of_GS1900_series_switches.shtml Patch Vendor Advisory
Configurations

Configuration 1
Information

Published : 2021-07-26 12:15

Updated : 2021-08-13 12:53

NVD link : CVE-2021-35030

Mitre link : CVE-2021-35030

Products Affected

Gs1900-8hp Firmware

Zyxel

CWE
CWE-79