8.6
CVSSv3

CVE-2023-20072

Published: 23/03/2023 Updated: 07/11/2023
CVSS v3 Base Score: 8.6 | Impact Score: 4 | Exploitability Score: 3.9
VMScore: 0

Vulnerability Summary

A vulnerability in the fragmentation handling code of tunnel protocol packets in Cisco IOS XE Software could allow an unauthenticated, remote malicious user to cause an affected system to reload, resulting in a denial of service (DoS) condition. This vulnerability is due to the improper handling of large fragmented tunnel protocol packets. One example of a tunnel protocol is Generic Routing Encapsulation (GRE). An attacker could exploit this vulnerability by sending crafted fragmented packets to an affected system. A successful exploit could allow the malicious user to cause the affected system to reload, resulting in a DoS condition. Note: Only traffic directed to the affected system can be used to exploit this vulnerability.

Vulnerability Trend

Vulnerable Product Search on Vulmon Subscribe to Product

cisco ios xe 17.9.1

cisco ios xe 17.9.1a

cisco ios xe 17.9.1w

Vendor Advisories

A vulnerability in the fragmentation handling code of tunnel protocol packets in Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected system to reload, resulting in a denial of service (DoS) condition This vulnerability is due to the improper handling of large fragmented tunnel protocol packets One example of ...