PT-2020-5395 · Cisco · Cisco Prime Network Registrar

Published 2020-05-20 · Updated 2021-09-17 · CVE-2020-3272

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Cisco Prime Network Registrar (affected versions not specified)

Description A vulnerability in the DHCP server could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The issue is due to insufficient input validation of incoming DHCP traffic. An attacker could exploit this by sending a crafted DHCP request to an affected device, potentially causing a restart of the DHCP server process and resulting in a DoS condition.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BDU:2021-00482

CVE-2020-3272

Affected Products

Cisco Prime Network Registrar

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2020-3272 · Security Note
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cpnr-dhcp-dos-BkEZfhLP · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-00482 · Security Note
• https://osv.dev/vulnerability/CVE-2020-3272 · Vendor Advisory
• https://t.me/cvenotify/4010 · Telegram Post