Vulnerability · Published May 22, 2020 · Assigned by cisco

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

High 7.5

In plain English

A high-severity improper input validation in Cisco Prime Network Registrar from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 75% of all known vulnerabilities).

Severity (CVSS 3.0)7.5High

Exploit odds (30 days)1.5%top 25.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
Cisco	Cisco Prime Network Registrar	n/a

Weakness: CWE-20 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

20200520 Cisco Prime Network Registrar DHCP Denial of Service Vulnerability vendor-advisory, x_refsource_CISCO