Vulnerability Monitor

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CVE-2024-20474


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.


Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 4.3, indicating it can be exploited remotely over the network with relatively low complexity though user interaction is required and does not require pre-existing privileges . The vulnerability impacts and limited availability for affected systems. Impacting 2 products from cisco, from cisco organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2024, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2024-10-23T18:15:11.517

Last Modified

2024-11-01T18:14:56.790

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 4.3 (MEDIUM)

Weaknesses
  • Type: Secondary
    CWE-191
  • Type: Primary
    CWE-191

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application cisco anyconnect_secure_mobility_client 4.9.00086 Yes
Application cisco anyconnect_secure_mobility_client 4.9.01095 Yes
Application cisco anyconnect_secure_mobility_client 4.9.02028 Yes
Application cisco anyconnect_secure_mobility_client 4.9.03047 Yes
Application cisco anyconnect_secure_mobility_client 4.9.03049 Yes
Application cisco anyconnect_secure_mobility_client 4.9.04043 Yes
Application cisco anyconnect_secure_mobility_client 4.9.04053 Yes
Application cisco anyconnect_secure_mobility_client 4.9.05042 Yes
Application cisco anyconnect_secure_mobility_client 4.9.06037 Yes
Application cisco secure_client 4.10.00093 Yes
Application cisco secure_client 4.10.01075 Yes
Application cisco secure_client 4.10.02086 Yes
Application cisco secure_client 4.10.03104 Yes
Application cisco secure_client 4.10.04065 Yes
Application cisco secure_client 4.10.04071 Yes
Application cisco secure_client 4.10.05085 Yes
Application cisco secure_client 4.10.05095 Yes
Application cisco secure_client 4.10.05111 Yes
Application cisco secure_client 4.10.06079 Yes
Application cisco secure_client 4.10.06090 Yes
Application cisco secure_client 4.10.07061 Yes
Application cisco secure_client 4.10.07062 Yes
Application cisco secure_client 4.10.07073 Yes
Application cisco secure_client 4.10.08025 Yes
Application cisco secure_client 4.10.08029 Yes
Application cisco secure_client 5.0.00238 Yes
Application cisco secure_client 5.0.00529 Yes
Application cisco secure_client 5.0.00556 Yes
Application cisco secure_client 5.0.01242 Yes
Application cisco secure_client 5.0.02075 Yes
Application cisco secure_client 5.0.03072 Yes
Application cisco secure_client 5.0.03076 Yes
Application cisco secure_client 5.0.04032 Yes
Application cisco secure_client 5.0.05040 Yes
Application cisco secure_client 5.1.0.136 Yes
Application cisco secure_client 5.1.1.42 Yes
Application cisco secure_client 5.1.2.42 Yes
Application cisco secure_client 5.1.3.62 Yes

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For cisco's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.