Post-Authentication Command Injection Vulnerability
CVE-2024-42059

7.2HIGH

Key Information:

Vendor
Zyxel
Status
Atp Series Firmware
Usg Flex Series Firmware
Usg Flex 50(w) Series Firmware
Usg20(w)-vpn Series Firmware
Vendor
CVE Published:
3 September 2024

Summary

A post-authentication command injection vulnerability exists in the firmware of multiple Zyxel products, specifically within the ATP series, USG FLEX series, and USG20(W)-VPN series. This vulnerability permits an authenticated attacker possessing administrator privileges to execute arbitrary operating system commands on affected devices. The exploitation vector involves uploading a specially crafted compressed language file via FTP. The following firmware versions are affected: ATP series from V5.00 to V5.38, USG FLEX series from V5.00 to V5.38, USG FLEX 50(W) series from V5.00 to V5.38, and USG20(W)-VPN series from V5.00 to V5.38. For further details and mitigations, it is advisable to refer to Zyxel's official security advisory.

Affected Version(s)

ATP series firmware versions V5.00 through V5.38

USG FLEX 50(W) series firmware versions V5.00 through V5.38

USG FLEX series firmware versions V5.00 through V5.38

References

https://www.zyxel.com/global/en/support/security-advisori...
vendor-advisory

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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