Resource management error in Cisco IOS XE - CVE-2024-20467

 

Resource management error in Cisco IOS XE - CVE-2024-20467

Published: September 25, 2024


Vulnerability identifier: #VU97706
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-20467
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper management of the IPv4 fragmentation reassembly code. A remote attacker send specific sizes of fragmented packets to an affected device or through a Virtual Fragmentation Reassembly (VFR)-enabled interface on an affected device and perform a denial of service (DoS) attack.


Affected software

Cisco IOS XE

How to mitigate CVE-2024-20467

Install updates from vendor's website.

Cisco IOS XE - update to 17.12.2

External References

Related Security Bulletins