QID 379486

Date Published: 2024-03-11

QID 379486: Cisco Secure Client (formerly AnyConnect) Carriage Return Line Feed Injection Vulnerability (cisco-sa-secure-client-crlf-W43V4G7)

A vulnerability in the SAML authentication process of Cisco Secure Client could allow an unauthenticated, remote attacker to conduct a carriage return line feed (CRLF) injection attack against a user.

Affected Products
From 4.10.04065 prior to 4.10.08025
From 5.0 prior to 5.1.2.42

Note: Cisco Secure Client Software releases 4.10 and earlier were known as Cisco AnyConnect Secure Mobility Client.

QID Detection Logic (Authenticated):
This checks for vulnerable version of AnyConnect Mobility Client using registry information.

A successful exploit could allow the attacker to execute arbitrary script code in the browser or access sensitive, browser-based information, including a valid SAML token.

CVSS V3 rated as Critical - 8.2 severity.

CVSS V2 rated as Medium - 4.4 severity.

Solution

Customers are advised to refer to cisco-sa-secure-client-crlf-W43V4G7 for more information.

Vendor References

cisco-sa-secure-client-crlf-W43V4G7 - sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-secure-client-crlf-W43V4G7

CVEs related to QID 379486

CVE-2024-20337 |

Software Advisories

Advisory ID	Software	Component	Link
cisco-sa-secure-client-crlf-W43V4G7			sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-secure-client-crlf-W43V4G7

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