CVE-2024-20337
CVSS 3.1 Score 8.2 of 10 (high)
Details
Summary
CVE-2024-20337 is a vulnerability affecting the Single Sign-On (SSO) feature of Cisco Secure Client. An unauthenticated, remote attacker can exploit insufficient input validation during the SAML authentication process to carry out a Carriage Return Line Feed (CRLF) injection attack. Successful exploitation could enable the attacker to execute arbitrary scripts in the user's browser or gain access to sensitive, browser-based information, such as a valid SAML token. The token, in turn, could be used to establish a remote access VPN session with the privileges of the affected user. Hosts and services behind the VPN headend would still require additional credentials for successful access.
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