// For flags

CVE-2022-30525

Zyxel Multiple Firewalls OS Command Injection Vulnerability

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

15
*Multiple Sources

Exploited in Wild

Yes
*KEV

Decision

-
*SSVC
Descriptions

A OS command injection vulnerability in the CGI program of Zyxel USG FLEX 100(W) firmware versions 5.00 through 5.21 Patch 1, USG FLEX 200 firmware versions 5.00 through 5.21 Patch 1, USG FLEX 500 firmware versions 5.00 through 5.21 Patch 1, USG FLEX 700 firmware versions 5.00 through 5.21 Patch 1, USG FLEX 50(W) firmware versions 5.10 through 5.21 Patch 1, USG20(W)-VPN firmware versions 5.10 through 5.21 Patch 1, ATP series firmware versions 5.10 through 5.21 Patch 1, VPN series firmware versions 4.60 through 5.21 Patch 1, which could allow an attacker to modify specific files and then execute some OS commands on a vulnerable device.

Una vulnerabilidad de inyección de comandos del Sistema Operativo en el programa CGI del firmware Zyxel USG FLEX 100(W) versiones 5.00 hasta 5.21 Parche 1, firmware USG FLEX 200 versiones 5.00 hasta 5.21 Parche 1, firmware USG FLEX 500 versiones 5.00 hasta 5.21 Parche 1, firmware USG FLEX 700 versiones 5.00 hasta 5.21 Parche 1, firmware USG FLEX 50(W) versiones 5. 10 hasta 5.21 Parche 1, firmware USG20(W)-VPN versiones 5.10 hasta 5.21 Parche 1, firmware de la serie ATP versiones 5.10 hasta 5.21 Parche 1, firmware de la serie VPN versiones 4.60 hasta 5.21 Parche 1, lo que podría permitir a un atacante modificar archivos específicos y luego ejecutar algunos comandos del Sistema Operativo en un dispositivo vulnerable

Zyxel USG FLEX version 5.21 suffers from a command injection vulnerability.

A command injection vulnerability in the CGI program of some Zyxel firewall versions could allow an attacker to modify specific files and then execute some OS commands on a vulnerable device.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2022-05-10 CVE Reserved
  • 2022-05-12 CVE Published
  • 2022-05-13 First Exploit
  • 2022-05-16 Exploited in Wild
  • 2022-06-06 KEV Due Date
  • 2024-08-03 CVE Updated
  • 2024-11-20 EPSS Updated
CWE
  • CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS 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 100w Firmware
Search vendor "Zyxel" for product "Usg Flex 100w Firmware"
>= 5.00 < 5.30
Search vendor "Zyxel" for product "Usg Flex 100w Firmware" and version " >= 5.00 < 5.30"
-
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"
>= 5.00 < 5.30
Search vendor "Zyxel" for product "Usg Flex 200 Firmware" and version " >= 5.00 < 5.30"
-
Affected
in Zyxel
Search vendor "Zyxel"
Usg Flex 200
Search vendor "Zyxel" for product "Usg Flex 200"
--
Safe
Zyxel
Search vendor "Zyxel"
Usg Flex 500 Firmware
Search vendor "Zyxel" for product "Usg Flex 500 Firmware"
>= 5.00 <= 5.30
Search vendor "Zyxel" for product "Usg Flex 500 Firmware" and version " >= 5.00 <= 5.30"
-
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"
>= 5.00 < 5.30
Search vendor "Zyxel" for product "Usg Flex 700 Firmware" and version " >= 5.00 < 5.30"
-
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"
>= 4.60 < 5.30
Search vendor "Zyxel" for product "Vpn100 Firmware" and version " >= 4.60 < 5.30"
-
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"
>= 4.60 < 5.30
Search vendor "Zyxel" for product "Vpn1000 Firmware" and version " >= 4.60 < 5.30"
-
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"
>= 4.60 < 5.30
Search vendor "Zyxel" for product "Vpn300 Firmware" and version " >= 4.60 < 5.30"
-
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"
>= 4.60 < 5.30
Search vendor "Zyxel" for product "Vpn50 Firmware" and version " >= 4.60 < 5.30"
-
Affected
in Zyxel
Search vendor "Zyxel"
Vpn50
Search vendor "Zyxel" for product "Vpn50"
--
Safe
Zyxel
Search vendor "Zyxel"
Atp100 Firmware
Search vendor "Zyxel" for product "Atp100 Firmware"
>= 5.10 < 5.30
Search vendor "Zyxel" for product "Atp100 Firmware" and version " >= 5.10 < 5.30"
-
Affected
in Zyxel
Search vendor "Zyxel"
Atp100
Search vendor "Zyxel" for product "Atp100"
--
Safe
Zyxel
Search vendor "Zyxel"
Atp100w Firmware
Search vendor "Zyxel" for product "Atp100w Firmware"
>= 5.10 < 5.30
Search vendor "Zyxel" for product "Atp100w Firmware" and version " >= 5.10 < 5.30"
-
Affected
in Zyxel
Search vendor "Zyxel"
Atp100w
Search vendor "Zyxel" for product "Atp100w"
--
Safe
Zyxel
Search vendor "Zyxel"
Atp200 Firmware
Search vendor "Zyxel" for product "Atp200 Firmware"
>= 5.10 < 5.30
Search vendor "Zyxel" for product "Atp200 Firmware" and version " >= 5.10 < 5.30"
-
Affected
in Zyxel
Search vendor "Zyxel"
Atp200
Search vendor "Zyxel" for product "Atp200"
--
Safe
Zyxel
Search vendor "Zyxel"
Atp500 Firmware
Search vendor "Zyxel" for product "Atp500 Firmware"
>= 5.10 < 5.30
Search vendor "Zyxel" for product "Atp500 Firmware" and version " >= 5.10 < 5.30"
-
Affected
in Zyxel
Search vendor "Zyxel"
Atp500
Search vendor "Zyxel" for product "Atp500"
--
Safe
Zyxel
Search vendor "Zyxel"
Atp700 Firmware
Search vendor "Zyxel" for product "Atp700 Firmware"
>= 5.10 < 5.30
Search vendor "Zyxel" for product "Atp700 Firmware" and version " >= 5.10 < 5.30"
-
Affected
in Zyxel
Search vendor "Zyxel"
Atp700
Search vendor "Zyxel" for product "Atp700"
--
Safe
Zyxel
Search vendor "Zyxel"
Atp800 Firmware
Search vendor "Zyxel" for product "Atp800 Firmware"
>= 5.10 < 5.30
Search vendor "Zyxel" for product "Atp800 Firmware" and version " >= 5.10 < 5.30"
-
Affected
in Zyxel
Search vendor "Zyxel"
Atp800
Search vendor "Zyxel" for product "Atp800"
--
Safe
Zyxel
Search vendor "Zyxel"
Usg Flex 50w Firmware
Search vendor "Zyxel" for product "Usg Flex 50w Firmware"
>= 5.10 < 5.30
Search vendor "Zyxel" for product "Usg Flex 50w Firmware" and version " >= 5.10 < 5.30"
-
Affected
in Zyxel
Search vendor "Zyxel"
Usg Flex 50w
Search vendor "Zyxel" for product "Usg Flex 50w"
--
Safe
Zyxel
Search vendor "Zyxel"
Usg20w-vpn Firmware
Search vendor "Zyxel" for product "Usg20w-vpn Firmware"
>= 5.10 < 5.30
Search vendor "Zyxel" for product "Usg20w-vpn Firmware" and version " >= 5.10 < 5.30"
-
Affected
in Zyxel
Search vendor "Zyxel"
Usg20w-vpn
Search vendor "Zyxel" for product "Usg20w-vpn"
--
Safe