CVE-2020-3272 HIGH

CVE-2020-3272: Cisco Prime Network Registrar DHCP Denial of Service Vulnerability

Vendor Cisco
Product Cisco Prime Network Registrar
Weakness CWE-20 · Input validation
Published May 22, 2020
Last update November 15, 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:3.0/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 DHCP server of Cisco Prime Network Registrar could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to insufficient input validation of incoming DHCP traffic. An attacker could exploit this vulnerability by sending a crafted DHCP request to an affected device. A successful exploit could allow the attacker to cause a restart of the DHCP server process, causing a DoS condition.

Key dates

02Disclosure timeline

May 22, 2020 CVE published
November 15, 2024 Record updated