Vulnerability · Published Sep 29, 2021 · Assigned by Zyxel

CVE-2021-35028

High 7.3

In plain English

A high-severity OS command injection in ZyWALL VPN2S Firmware from Zyxel. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities).

Severity (CVSS 3.1)7.3High
Exploit odds (30 days)0.3%top 76.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

A command injection vulnerability in the CGI program of the Zyxel VPN2S firmware version 1.12 could allow an authenticated, local user to execute arbitrary OS commands.

Affected products (as reported)

VendorProductVersions
Zyxel ZyWALL VPN2S Firmware 1.12(ABLN.0)C0

Weakness: CWE-78 · Vector: CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H

References