CVE-2023-35139

CVSS 3.1 Score 6.1 of 10 (medium)

Details

Published Nov 28, 2023
Updated: Dec 4, 2023
CWE ID 79

Summary

CVE-2023-35139 is a cross-site scripting (XSS) vulnerability affecting various firmware versions of Zyxel's ATP, USG FLEX, USG FLEX 50(W), USG20(W)-VPN, and VPN series devices. This issue exists in the CGI program and allows unauthenticated attackers on the LAN to insert malicious scripts into the vulnerable device. Successful exploitation could lead to the execution of these malicious scripts, enabling attackers to steal user cookies when they access the specific CGI used for ZTP logs. This vulnerability poses a significant risk and requires immediate patching to prevent potential attacks.

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