CVE-2024-20337

CVSS 3.1 Score 8.2 of 10 (high)

Details

Published Mar 6, 2024
Updated: Mar 7, 2024
CWE ID 93

Summary

CVE-2024-20337 is a vulnerability in the SAML authentication process of Cisco Secure Client, affecting the r58ACN product. It allows an unauthenticated, remote attacker to conduct a carriage return line feed (CRLF) injection attack against a user. The vulnerability is caused by insufficient validation of user-supplied input. An attacker can exploit this by persuading a user to click a crafted link during a VPN session, enabling them to execute arbitrary script code in the browser and access sensitive information, including a valid SAML token. With this token, the attacker can establish a remote access VPN session with the privileges of the targeted user. However, additional credentials would still be required for successful access to individual hosts and services behind the VPN headend.

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