// For flags

CVE-2023-22913

 

Severity Score

8.1
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2023-01-10 CVE Reserved
  • 2023-04-24 CVE Published
  • 2024-04-30 EPSS Updated
  • 2024-08-02 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Zyxel
Search vendor "Zyxel"
Usg Flex 100 Firmware
Search vendor "Zyxel" for product "Usg Flex 100 Firmware"
>= 4.50 <= 5.35
Search vendor "Zyxel" for product "Usg Flex 100 Firmware" and version " >= 4.50 <= 5.35"
-
Affected
in Zyxel
Search vendor "Zyxel"
Usg Flex 100
Search vendor "Zyxel" for product "Usg Flex 100"
--
Safe
Zyxel
Search vendor "Zyxel"
Usg Flex 100w Firmware
Search vendor "Zyxel" for product "Usg Flex 100w Firmware"
>= 4.50 <= 5.35
Search vendor "Zyxel" for product "Usg Flex 100w Firmware" and version " >= 4.50 <= 5.35"
-
Affected
in Zyxel
Search vendor "Zyxel"
Usg Flex 100w
Search vendor "Zyxel" for product "Usg Flex 100w"
--
Safe
Zyxel
Search vendor "Zyxel"
Usg Flex 200 Firmware
Search vendor "Zyxel" for product "Usg Flex 200 Firmware"
>= 4.50 <= 5.35
Search vendor "Zyxel" for product "Usg Flex 200 Firmware" and version " >= 4.50 <= 5.35"
-
Affected
in Zyxel
Search vendor "Zyxel"
Usg Flex 200
Search vendor "Zyxel" for product "Usg Flex 200"
--
Safe
Zyxel
Search vendor "Zyxel"
Usg Flex 50 Firmware
Search vendor "Zyxel" for product "Usg Flex 50 Firmware"
>= 4.50 <= 5.35
Search vendor "Zyxel" for product "Usg Flex 50 Firmware" and version " >= 4.50 <= 5.35"
-
Affected
in Zyxel
Search vendor "Zyxel"
Usg Flex 50
Search vendor "Zyxel" for product "Usg Flex 50"
--
Safe
Zyxel
Search vendor "Zyxel"
Usg Flex 50w Firmware
Search vendor "Zyxel" for product "Usg Flex 50w Firmware"
>= 4.50 <= 5.35
Search vendor "Zyxel" for product "Usg Flex 50w Firmware" and version " >= 4.50 <= 5.35"
-
Affected
in Zyxel
Search vendor "Zyxel"
Usg Flex 50w
Search vendor "Zyxel" for product "Usg Flex 50w"
--
Safe
Zyxel
Search vendor "Zyxel"
Usg Flex 500 Firmware
Search vendor "Zyxel" for product "Usg Flex 500 Firmware"
>= 4.50 <= 5.35
Search vendor "Zyxel" for product "Usg Flex 500 Firmware" and version " >= 4.50 <= 5.35"
-
Affected
in Zyxel
Search vendor "Zyxel"
Usg Flex 500
Search vendor "Zyxel" for product "Usg Flex 500"
--
Safe
Zyxel
Search vendor "Zyxel"
Usg Flex 700 Firmware
Search vendor "Zyxel" for product "Usg Flex 700 Firmware"
>= 4.50 <= 5.35
Search vendor "Zyxel" for product "Usg Flex 700 Firmware" and version " >= 4.50 <= 5.35"
-
Affected
in Zyxel
Search vendor "Zyxel"
Usg Flex 700
Search vendor "Zyxel" for product "Usg Flex 700"
--
Safe
Zyxel
Search vendor "Zyxel"
Vpn100 Firmware
Search vendor "Zyxel" for product "Vpn100 Firmware"
>= 4.50 <= 5.35
Search vendor "Zyxel" for product "Vpn100 Firmware" and version " >= 4.50 <= 5.35"
-
Affected
in Zyxel
Search vendor "Zyxel"
Vpn100
Search vendor "Zyxel" for product "Vpn100"
--
Safe
Zyxel
Search vendor "Zyxel"
Vpn1000 Firmware
Search vendor "Zyxel" for product "Vpn1000 Firmware"
>= 4.50 <= 5.35
Search vendor "Zyxel" for product "Vpn1000 Firmware" and version " >= 4.50 <= 5.35"
-
Affected
in Zyxel
Search vendor "Zyxel"
Vpn1000
Search vendor "Zyxel" for product "Vpn1000"
--
Safe
Zyxel
Search vendor "Zyxel"
Vpn300 Firmware
Search vendor "Zyxel" for product "Vpn300 Firmware"
>= 4.50 <= 5.35
Search vendor "Zyxel" for product "Vpn300 Firmware" and version " >= 4.50 <= 5.35"
-
Affected
in Zyxel
Search vendor "Zyxel"
Vpn300
Search vendor "Zyxel" for product "Vpn300"
--
Safe
Zyxel
Search vendor "Zyxel"
Vpn50 Firmware
Search vendor "Zyxel" for product "Vpn50 Firmware"
>= 4.50 <= 5.35
Search vendor "Zyxel" for product "Vpn50 Firmware" and version " >= 4.50 <= 5.35"
-
Affected
in Zyxel
Search vendor "Zyxel"
Vpn50
Search vendor "Zyxel" for product "Vpn50"
--
Safe