medium
4.3
CWE
191
Advisory Published
Updated

CVE-2024-20474: Integer Underflow

First published: Wed Oct 23 2024(Updated: )

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.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco Anyconnect Secure Mobility Client=4.9.00086
Cisco Anyconnect Secure Mobility Client=4.9.01095
Cisco Anyconnect Secure Mobility Client=4.9.02028
Cisco Anyconnect Secure Mobility Client=4.9.03047
Cisco Anyconnect Secure Mobility Client=4.9.03049
Cisco Anyconnect Secure Mobility Client=4.9.04043
Cisco Anyconnect Secure Mobility Client=4.9.04053
Cisco Anyconnect Secure Mobility Client=4.9.05042
Cisco Anyconnect Secure Mobility Client=4.9.06037
Cisco Secure Client=4.10.00093
Cisco Secure Client=4.10.01075
Cisco Secure Client=4.10.02086
Cisco Secure Client=4.10.03104
Cisco Secure Client=4.10.04065
Cisco Secure Client=4.10.04071
Cisco Secure Client=4.10.05085
Cisco Secure Client=4.10.05095
Cisco Secure Client=4.10.05111
Cisco Secure Client=4.10.06079
Cisco Secure Client=4.10.06090
Cisco Secure Client=4.10.07061
Cisco Secure Client=4.10.07062
Cisco Secure Client=4.10.07073
Cisco Secure Client=4.10.08025
Cisco Secure Client=4.10.08029
Cisco Secure Client=5.0.00238
Cisco Secure Client=5.0.00529
Cisco Secure Client=5.0.00556
Cisco Secure Client=5.0.01242
Cisco Secure Client=5.0.02075
Cisco Secure Client=5.0.03072
Cisco Secure Client=5.0.03076
Cisco Secure Client=5.0.04032
Cisco Secure Client=5.0.05040
Cisco Secure Client=5.1.0.136
Cisco Secure Client=5.1.1.42
Cisco Secure Client=5.1.2.42
Cisco Secure Client=5.1.3.62

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