CVE-2023-22913
Last modified
CVE-2023-22913 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. 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 authenticated attacker to modify device configuration data, resulting in denial-of-service (DoS) conditions on an affected device.. EPSS estimates a 1.29% chance of exploitation in the next 30 days.
Description
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 authenticated attacker to modify device configuration data, resulting in denial-of-service (DoS) conditions on an affected device.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Zyxel | Usg Flex 100 Firmware | >= 4.50, <= 5.35 |
| Zyxel | Usg Flex 100w Firmware | >= 4.50, <= 5.35 |
| Zyxel | Usg Flex 200 Firmware | >= 4.50, <= 5.35 |
| Zyxel | Usg Flex 50 Firmware | >= 4.50, <= 5.35 |
| Zyxel | Usg Flex 50w Firmware | >= 4.50, <= 5.35 |
| Zyxel | Usg Flex 500 Firmware | >= 4.50, <= 5.35 |
| Zyxel | Usg Flex 700 Firmware | >= 4.50, <= 5.35 |
| Zyxel | Vpn100 Firmware | >= 4.50, <= 5.35 |
| Zyxel | Vpn1000 Firmware | >= 4.50, <= 5.35 |
| Zyxel | Vpn300 Firmware | >= 4.50, <= 5.35 |
| Zyxel | Vpn50 Firmware | >= 4.50, <= 5.35 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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