CVE-2024-20433

HIGH

Cisco IOS - Unauthenticated Denial of Service via RSVP Packet Buffer Overflow

Title source: llm
STIX 2.1

Description

A vulnerability in the Resource Reservation Protocol (RSVP) feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to a buffer overflow when processing crafted RSVP packets. An attacker could exploit this vulnerability by sending RSVP traffic to an affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition.

Scores

CVSS v3 8.6
EPSS 0.0114
EPSS Percentile 78.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-121 CWE-787
Status published
Products (50)
cisco/ios 12.0\(24\)s
cisco/ios 12.0\(24\)s1
cisco/ios 12.0\(24\)s2
cisco/ios 12.0\(24\)s2a
cisco/ios 12.0\(24\)s2b
cisco/ios 12.0\(24\)s3
cisco/ios 12.0\(24\)s4
cisco/ios 12.0\(24\)s4a
cisco/ios 12.0\(24\)s5
cisco/ios 12.0\(24\)s6
... and 40 more
Published Sep 25, 2024
Tracked Since Feb 18, 2026