VULNERABILITY INTELLIGENCE

CVE-2023-22913

CVSS score8.1 HIGH
EPSS probability1.29%
CISA KEVNot currently listed
Published2023-04-24
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Description

A post-authentication command injection vulnerability in the “account_operator.cgi” CGI program of Zyxel USG FLEX series firmware versions 4.50 through 5.35, and VPN series firmware versions 4.30 through 5.35, which could allow a remote authenticated attacker to modify device configuration data, resulting in denial-of-service (DoS) conditions on an affected device.

Weakness classification

  • security@zyxel.com.tw: CWE-77
  • nvd@nist.gov: CWE-77

Primary references