CRLF injection in Cisco Secure Client - CVE-2024-20337

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Main Vulnerability Database Vulnerabilities #VU87187

CRLF injection in Cisco Secure Client - CVE-2024-20337

Published: March 7, 2024


Vulnerability identifier: #VU87187
CSH Severity: High
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2024-20337
CWE-ID: CWE-93
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Cisco Secure Client
Software vendor:
Cisco Systems, Inc

Description

The vulnerability allows a remote attacker to inject arbitrary data in server response.

The vulnerability exists due to insufficient validation of attacker-supplied data in the SAML authentication process. A remote attacker can pass specially crafted data to the application containing CR-LF characters and modify application behavior.


Remediation

Install updates from vendor's website.

External links