How severe is CVE-2024-20308?

This vulnerability has a severity rating of HIGH with a CVSS score of 8.6 out of 10.

What type of vulnerability is CVE-2024-20308?

This is classified as CWE-787, which is a common weakness in software security.

CVE-2024-20308 - HIGH Severity | CVSS 8.6

Vulnerability Description

A vulnerability in the IKEv1 fragmentation code of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a heap underflow, resulting in an affected device reloading. This vulnerability exists because crafted, fragmented IKEv1 packets are not properly reassembled. An attacker could exploit this vulnerability by sending crafted UDP packets to an affected system. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition. Note: Only traffic that is directed to the affected system can be used to exploit this vulnerability. This vulnerability can be triggered by IPv4 and IPv6 traffic..

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