What is CVE-2020-3272?

CVE-2020-3272 is a vulnerability in the DHCP server of Cisco Prime Network Registrar that could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.

How severe is CVE-2020-3272?

CVE-2020-3272 has a severity rating of 7.5, classified as high.

What software is affected by CVE-2020-3272?

Cisco Prime Network Registrar versions 8.3, 9.0, and 10.0 are affected by CVE-2020-3272.

How can an attacker exploit CVE-2020-3272?

An attacker can exploit CVE-2020-3272 by sending malicious DHCP traffic due to insufficient input validation.

Vulnerability/
CVE-2020-3272

high

7.8

CWE

22/5/2020

15/11/2024

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

First published: Fri May 22 2020(Updated: )

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.

Credit: ykramarz@cisco.com

Affected Software	Affected Version	How to fix
Cisco Prime Network Registrar	>=8.3<8.3.7.1
Cisco Prime Network Registrar	>=9.0<9.1.3
Cisco Prime Network Registrar	>=10.0<10.1.0.1

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Reference Links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cpnr-dhcp-dos-BkEZfhLP

Frequently Asked Questions

What is CVE-2020-3272?
CVE-2020-3272 is a vulnerability in the DHCP server of Cisco Prime Network Registrar that could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.
How severe is CVE-2020-3272?
CVE-2020-3272 has a severity rating of 7.5, classified as high.
What software is affected by CVE-2020-3272?
Cisco Prime Network Registrar versions 8.3, 9.0, and 10.0 are affected by CVE-2020-3272.
How can an attacker exploit CVE-2020-3272?
An attacker can exploit CVE-2020-3272 by sending malicious DHCP traffic due to insufficient input validation.

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collector/mitre-cve
source/MITRE
agent/last-modified-date
agent/first-publish-date
agent/event
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vendor/cisco
canonical/cisco prime network registrar
version/cisco prime network registrar/8.3
version/cisco prime network registrar/9.0
version/cisco prime network registrar/10.0

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