Vulnerability Monitor

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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.

Published

2021-07-26T12:15:08.817

Last Modified

2024-11-21T06:11:42.450

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 3.5 (LOW)

CVSSv2 Vector

AV:A/AC:M/Au:S/C:N/I:P/A:N

  • Access Vector: ADJACENT_NETWORK
  • Access Complexity: MEDIUM
  • Authentication: SINGLE
  • Confidentiality Impact: NONE
  • Integrity Impact: PARTIAL
  • Availability Impact: NONE
Exploitability Score

4.4

Impact Score

2.9

Weaknesses
  • Type: Secondary
    CWE-79
  • Type: Primary
    CWE-79
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System zyxel gs1900-8_firmware < 2.70 Yes
Hardware zyxel gs1900-8 - No
Operating System zyxel gs1900-8hp_firmware < 2.70 Yes
Hardware zyxel gs1900-8hp - No
Operating System zyxel gs1900-10hp_firmware < 2.70 Yes
Hardware zyxel gs1900-10hp - No
Operating System zyxel gs1900-16_firmware < 2.70 Yes
Hardware zyxel gs1900-16 - No
Operating System zyxel gs1900-24e_firmware < 2.70 Yes
Hardware zyxel gs1900-24e - No
Operating System zyxel gs1900-24ep_firmware < 2.70 Yes
Hardware zyxel gs1900-24ep - No
Operating System zyxel gs1900-24_firmware < 2.70 Yes
Hardware zyxel gs1900-24 - No
Operating System zyxel gs1900-24hp_firmware < 2.70 Yes
Hardware zyxel gs1900-24hp - No
Operating System zyxel gs1900-24hpv2_firmware < 2.70 Yes
Hardware zyxel gs1900-24hpv2 - No
Operating System zyxel gs1900-48_firmware < 2.70 Yes
Hardware zyxel gs1900-48 - No
Operating System zyxel gs1900-48hp_firmware < 2.70 Yes
Hardware zyxel gs1900-48hp - No
Operating System zyxel gs1900-48hpv2_firmware < 2.70 Yes
Hardware zyxel gs1900-48hpv2 - No
References