CVE-2020-29299
HIGHZyxel VPN Orchestrator < 10.03 - Authenticated Command Injection via chg_exp_pwd
Title source: llmDescription
Certain Zyxel products allow command injection by an admin via an input string to chg_exp_pwd during a password-change action. This affects VPN On-premise before ZLD V4.39 week38, VPN Orchestrator before SD-OS V10.03 week32, USG before ZLD V4.39 week38, USG FLEX before ZLD V4.55 week38, ATP before ZLD V4.55 week38, and NSG before 1.33 patch 4.
References (2)
Core 2
Core References
Vendor Advisory x_refsource_misc
https://www.zyxel.com/us/en/support/security_advisories.shtml
Vendor Advisory x_refsource_misc
https://www.zyxel.com/support/Zyxel-security-advisory-for-command-injection-vulnerability-of-firewalls.shtml
Scores
CVSS v3
7.2
EPSS
0.0361
EPSS Percentile
87.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-77
Status
published
Products (5)
zyxel/nsg_firmware
1.33 (2 CPE variants)
zyxel/nsg_firmware
< 1.33
zyxel/usg_flex_firmware
zyxel/vpn_orchestrator
< 10.03
zyxel/zld
< 4.39
Published
Dec 27, 2020
Tracked Since
Feb 18, 2026