SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-29299

Certain Zyxel products allow command injection by an admin via an input string to chg_exp_pwd during a password-change action.

HIGH 7.2EPSS 2.34%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.34%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 3.1
7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS
2.34% probability · 83th percentile
CISA KEV
Not listed
Weakness
CWE-77
Affected
zyxel/vpn orchestrator · zyxel/zld · zyxel/nsg firmware · zyxel/usg flex firmware
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.