CVE-2021-1513 HIGH

CVE-2021-1513: Cisco SD-WAN Software vDaemon Denial of Service Vulnerability

Vendor Cisco
Product Cisco SD-WAN Solution
Weakness CWE-20 · Input validation
Published May 6, 2021
Last update November 8, 2024

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

A vulnerability in the vDaemon process of Cisco SD-WAN Software could allow an unauthenticated, remote attacker to cause a device to reload, resulting in a denial of service (DoS) condition. This vulnerability is due to insufficient handling of malformed packets. An attacker could exploit this vulnerability by sending crafted traffic to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.

Key dates

02Disclosure timeline

May 6, 2021 CVE published
November 8, 2024 Record updated