CVEvulnerability

CVE-2023-27991

8.8 HIGH Published 2023-04-24 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2023-04-24
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 ([email protected])
8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-78

Description

The post-authentication command injection vulnerability in the CLI command of Zyxel ATP series firmware versions 4.32 through 5.35, USG FLEX series firmware versions 4.50 through 5.35, USG FLEX 50(W) firmware versions 4.16 through 5.35, USG20(W)-VPN firmware versions 4.16 through 5.35, and VPN series firmware versions 4.30 through 5.35, which could allow an authenticated attacker to execute some OS commands remotely.

Affected configurations

• zyxel atp200 firmware (>= 4.32 < 5.36) • zyxel atp100 firmware (>= 4.32 < 5.36) • zyxel atp700 firmware (>= 4.32 < 5.36) • zyxel atp500 firmware (>= 4.32 < 5.36) • zyxel atp100w firmware (>= 4.32 < 5.36) • zyxel atp800 firmware (>= 4.32 < 5.36) • zyxel usg flex 100 firmware (>= 4.50 < 5.36) • zyxel usg flex 50 firmware (>= 4.50 < 5.36) • zyxel usg flex 200 firmware (>= 4.50 < 5.36) • zyxel usg flex 500 firmware (>= 4.50 < 5.36) • zyxel usg flex 700 firmware (>= 4.50 < 5.36) • zyxel usg flex 100w firmware (>= 4.50 < 5.36) • zyxel usg 20w-vpn firmware (>= 4.16 < 5.36) • zyxel usg flex 50w firmware (>= 4.16 < 5.36) • zyxel usg20-vpn firmware (>= 4.30 < 5.36) • zyxel vpn100 firmware (>= 4.30 < 5.36) • zyxel vpn1000 firmware (>= 4.30 < 5.36) • zyxel vpn300 firmware (>= 4.30 < 5.36) • zyxel vpn50 firmware (>= 4.30 < 5.36)

Related

Weakness · CWE (1)

  • CWE-78 Improper Neutralization of Special Elements used in an OS Command weakness

References