#VU87897 Buffer Underwrite ('Buffer Underflow') in Cisco IOS and Cisco IOS XE - CVE-2024-20308

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Main Vulnerability Database Vulnerabilities #VU87897

#VU87897 Buffer Underwrite ('Buffer Underflow') in Cisco IOS and Cisco IOS XE - CVE-2024-20308

Published: March 28, 2024


Vulnerability identifier: #VU87897
Vulnerability risk: High
CVSSv4.0: 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/E:U/U:Amber
CVE-ID: CVE-2024-20308
CWE-ID: CWE-124
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Cisco IOS
Cisco IOS XE
Software vendor:
Cisco Systems, Inc

Description

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

The vulnerability exists due to a crafted, fragmented IKEv1 packets are not properly reassembled. A remote attacker can send specially crafted UDP packets and cause a denial of service condition on the target system.



Remediation

Install updates from vendor's website.

External links