CVE-2023-28767: OS Command Injection

Q: What is the severity of CVE-2023-28767?

The severity of CVE-2023-28767 is high with a CVSS score of 8.8.

Q: What is the Common Weakness Enumeration (CWE) for CVE-2023-28767?

The CWE for CVE-2023-28767 is CWE-78.

Q: How can I fix the vulnerability in CVE-2023-28767?

To fix the vulnerability in CVE-2023-28767, update the firmware of the affected Zyxel products to versions 5.37 or higher.

Published Jul 17, 2023

Updated

The configuration parser fails to sanitize user-controlled input in the Zyxel ATP series firmware versions 5.10 through 5.36, USG FLEX series firmware versions 5.00 through 5.36, USG FLEX 50(W) series firmware versions 5.10 through 5.36,

USG20(W)-VPN series firmware versions 5.10 through 5.36, and VPN series firmware versions 5.00 through 5.36. An unauthenticated, LAN-based attacker could leverage the vulnerability to inject some operating system (OS) commands into the device configuration data on an affected device when the cloud management mode is enabled.

Affected Software

44 affected components

Zyxel Usg 2200-vpn Firmware>=5.00<5.37

Zyxel Usg 2200-vpn

Zyxel Usg Flex 100 Firmware>=5.00<5.37

Zyxel Usg Flex 100

Zyxel Usg Flex 100w Firmware>=5.00<5.37

Zyxel Usg Flex 100w

Zyxel USG FLEX 200 firmware>=5.00<5.37

Zyxel USG FLEX 200

Zyxel Usg Flex 50 Firmware>=5.00<5.37

Zyxel USG FLEX 50

Zyxel USG FLEX 500 firmware>=5.00<5.37

Zyxel USG FLEX 500

Zyxel Usg Flex 50w Firmware>=5.00<5.37

Zyxel Usg Flex 50w

Zyxel USG FLEX 700 firmware>=5.00<5.37

Zyxel USG FLEX 700

Zyxel Zywall Vpn100 Firmware>=5.00<5.37

Zyxel Zywall Vpn100

Zyxel Zywall Vpn2s Firmware>=5.00<5.37

Zyxel Zywall Vpn2s

Zyxel Zywall Vpn300 Firmware>=5.00<5.37

Zyxel Zywall Vpn300

Zyxel Zywall Vpn50 Firmware>=5.00<5.37

Zyxel Zywall Vpn50

Zyxel Zywall Vpn 100 Firmware>=5.00<5.37

Zyxel Zywall Vpn 100

Zyxel Zywall Vpn 300 Firmware>=5.00<5.37

Zyxel Zywall Vpn 300

Zyxel Zywall Vpn 50 Firmware>=5.00<5.37

Zyxel Zywall Vpn 50

Zyxel Usg 20w-vpn Firmware>=5.10<5.37

Zyxel Usg 20w-vpn

Zyxel Zywall Atp100 Firmware>=5.10<5.37

Zyxel Zywall Atp100

Zyxel Zywall Atp100w Firmware>=5.10<5.37

Zyxel Zywall Atp100w

Zyxel Zywall Atp200 Firmware>=5.10<5.37

Zyxel Zywall Atp200

Zyxel Zywall Atp500 Firmware>=5.10<5.37

Zyxel Zywall Atp500

Zyxel Zywall Atp700 Firmware>=5.10<5.37

Zyxel Zywall Atp700

Zyxel Zywall Atp800 Firmware>=5.10<5.37

Zyxel Zywall Atp800

Event History

Jul 17, 2023

CVE Published

via MITRE·04:59 PM

Data Sourced

via MITRE·04:59 PM

DescriptionSeverityWeakness

Data Sourced

05:15 PM

DescriptionSeverity

Frequently Asked Questions

What is the severity of CVE-2023-28767?

The severity of CVE-2023-28767 is high with a CVSS score of 8.8.

Which Zyxel products are affected by CVE-2023-28767?

Zyxel ATP series firmware versions 5.10 through 5.36, USG FLEX series firmware versions 5.00 through 5.36, USG FLEX 50(W) series firmware versions 5.10 through 5.36, USG20(W)-VPN series firmware versions 5.10 through 5.36 are affected by CVE-2023-28767.

How does the configuration parser fail in CVE-2023-28767?

The configuration parser fails to sanitize user-controlled input in CVE-2023-28767.

What is the Common Weakness Enumeration (CWE) for CVE-2023-28767?

The CWE for CVE-2023-28767 is CWE-78.

How can I fix the vulnerability in CVE-2023-28767?