What is CVE-2023-22913?

CVE-2023-22913 is a high-severity vulnerability in Zyxel Usg Flex Series Firmware, classified under Command Injection. CVSS score: 8.1/10. Published 2023-04-24.

How severe is CVE-2023-22913?

High severity. CVSS v3 base score is 8.1 out of 10.

RCE in Zyxel Usg Flex Series Firmware

CVE-2023-22913

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 au…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.007 (71.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.

Affected products

Zyxel Usg Flex Series Firmware — versions 4.50 through 5.35
Zyxel Vpn Series Firmware — versions 4.30 through 5.35

Weakness classification (CWE)

CWE-77 — Command Injection

References

www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for…

Frequently asked questions

What is CVE-2023-22913?: CVE-2023-22913 is a high-severity vulnerability in Zyxel Usg Flex Series Firmware, classified under Command Injection. CVSS score: 8.1/10. Published 2023-04-24.
How severe is CVE-2023-22913?: High severity. CVSS v3 base score is 8.1 out of 10.