SecuriTricks - CVE-2024-20496

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.

Product(s) Impacted

Product	Versions
Cisco SD-WAN vEdge Software	[]

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-787

Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

References

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdw-vedos-KqFfhps3

CVSS Score

6.1 / 10

CVSS Data - 3.1

Attack Vector: ADJACENT_NETWORK
Attack Complexity: HIGH
Privileges Required: NONE
Scope: CHANGED
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: HIGH

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H

View Vector String

Timeline

Published: Sept. 25, 2024, 5:15 p.m.
Last Modified: Sept. 26, 2024, 1:32 p.m.

Status : Awaiting Analysis

CVE has been marked for Analysis. Normally once in this state the CVE will be analyzed by NVD staff within 24 hours.

More info

Source

ykramarz@cisco.com

CVE-2024-20496