CVE-2020-29299

moderate-risk
Published 2020-12-27

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.

Do I need to act?

~
3.6% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.2/10 High
NETWORK / LOW complexity

Affected Products (6)

Vpn Orchestrator
Zld
Nsg Firmware
Nsg Firmware
Nsg Firmware
Usg Flex Firmware

Affected Vendors

Zyxel

References (4)

Vendor Advisory https://www.zyxel.com/support/Zyxel-security-advisory-for-command-injection-vuln...
Vendor Advisory https://www.zyxel.com/us/en/support/security_advisories.shtml
Vendor Advisory https://www.zyxel.com/support/Zyxel-security-advisory-for-command-injection-vuln...
Vendor Advisory https://www.zyxel.com/us/en/support/security_advisories.shtml
46
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 7/34 · Low
Exposure 13/34 · Low