CVE-2024-20474

MEDIUM

Published Oct 23, 2024 Modified Nov 1, 2024 CWE-191

Description

A vulnerability in Internet Key Exchange version 2 (IKEv2) processing of Cisco Secure Client Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) of Cisco Secure Client. This vulnerability is due to an integer underflow condition. An attacker could exploit this vulnerability by sending a crafted IKEv2 packet to an affected system. A successful exploit could allow the attacker to cause Cisco Secure Client Software to crash, resulting in a DoS condition on the client software. Note: Cisco Secure Client Software releases 4.10 and earlier were known as Cisco AnyConnect Secure Mobility Client.

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CVSS v3.1 Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Weakness Type (CWE)

CWE-191 CWE-191

Affected Products

Vendor	Product	Versions
cisco	anyconnect_secure_mobility_client	All
cisco	anyconnect_secure_mobility_client	All
cisco	anyconnect_secure_mobility_client	All
cisco	anyconnect_secure_mobility_client	All
cisco	anyconnect_secure_mobility_client	All
cisco	anyconnect_secure_mobility_client	All
cisco	anyconnect_secure_mobility_client	All
cisco	anyconnect_secure_mobility_client	All
cisco	anyconnect_secure_mobility_client	All
cisco	secure_client	All
cisco	secure_client	All
cisco	secure_client	All
cisco	secure_client	All
cisco	secure_client	All
cisco	secure_client	All
cisco	secure_client	All
cisco	secure_client	All
cisco	secure_client	All
cisco	secure_client	All
cisco	secure_client	All
cisco	secure_client	All
cisco	secure_client	All
cisco	secure_client	All
cisco	secure_client	All
cisco	secure_client	All
cisco	secure_client	All
cisco	secure_client	All
cisco	secure_client	All
cisco	secure_client	All
cisco	secure_client	All
cisco	secure_client	All
cisco	secure_client	All
cisco	secure_client	All
cisco	secure_client	All
cisco	secure_client	All
cisco	secure_client	All
cisco	secure_client	All
cisco	secure_client	All

References

Advisories & Patches

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-csc-dos-XvPhM3bj

Frequently Asked Questions

What is CVE-2024-20474? +

How severe is CVE-2024-20474? +

CVE-2024-20474 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-20474? +

CVE-2024-20474 affects products from cisco, specifically: anyconnect_secure_mobility_client, secure_client. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-20474? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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