4.3

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.

Data is provided by the National Vulnerability Database (NVD)
Zyxel ≫ Gs1900-8 Firmware Version < 2.70
   Zyxel ≫ Gs1900-8 Version-
Zyxel ≫ Gs1900-8hp Firmware Version < 2.70
   Zyxel ≫ Gs1900-8hp Version-
Zyxel ≫ Gs1900-10hp Firmware Version < 2.70
   Zyxel ≫ Gs1900-10hp Version-
Zyxel ≫ Gs1900-16 Firmware Version < 2.70
   Zyxel ≫ Gs1900-16 Version-
Zyxel ≫ Gs1900-24e Firmware Version < 2.70
   Zyxel ≫ Gs1900-24e Version-
Zyxel ≫ Gs1900-24ep Firmware Version < 2.70
   Zyxel ≫ Gs1900-24ep Version-
Zyxel ≫ Gs1900-24 Firmware Version < 2.70
   Zyxel ≫ Gs1900-24 Version-
Zyxel ≫ Gs1900-24hp Firmware Version < 2.70
   Zyxel ≫ Gs1900-24hp Version-
Zyxel ≫ Gs1900-24hpv2 Firmware Version < 2.70
   Zyxel ≫ Gs1900-24hpv2 Version-
Zyxel ≫ Gs1900-48 Firmware Version < 2.70
   Zyxel ≫ Gs1900-48 Version-
Zyxel ≫ Gs1900-48hp Firmware Version < 2.70
   Zyxel ≫ Gs1900-48hp Version-
Zyxel ≫ Gs1900-48hpv2 Firmware Version < 2.70
   Zyxel ≫ Gs1900-48hpv2 Version-
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.12% 0.271
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 4.3 1.2 2.7
CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
nvd@nist.gov 2.3 4.4 2.9
AV:A/AC:M/Au:S/C:N/I:P/A:N
security@zyxel.com.tw 3.5 0.9 2.5
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.