CVE-2024-20496

MEDIUM

Cisco SD-WAN vEdge Cloud - Unauthenticated Denial of Service via Malformed UDP Packet

Title source: llm
STIX 2.1

Description

A vulnerability in the UDP packet validation code of Cisco SD-WAN vEdge Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected system. This vulnerability is due to incorrect handling of a specific type of malformed UDP packet. An attacker in a machine-in-the-middle position could exploit this vulnerability by sending crafted UDP packets to an affected device. A successful exploit could allow the attacker to cause the device to reboot, resulting in a DoS condition on the affected system.

Scores

CVSS v3 6.1
EPSS 0.0006
EPSS Percentile 17.6%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-787
Status published
Products (50)
Cisco/Cisco SD-WAN vEdge Cloud 18.2.0
Cisco/Cisco SD-WAN vEdge Cloud 18.3.0
Cisco/Cisco SD-WAN vEdge Cloud 18.3.1
Cisco/Cisco SD-WAN vEdge Cloud 18.3.3
Cisco/Cisco SD-WAN vEdge Cloud 18.3.4
Cisco/Cisco SD-WAN vEdge Cloud 18.3.5
Cisco/Cisco SD-WAN vEdge Cloud 18.3.6
Cisco/Cisco SD-WAN vEdge Cloud 18.3.7
Cisco/Cisco SD-WAN vEdge Cloud 18.3.8
Cisco/Cisco SD-WAN vEdge Cloud 18.4.0
... and 40 more
Published Sep 25, 2024
Tracked Since Feb 18, 2026