Denial of service in Cisco Prime Network Registrar



Published: 2020-05-21
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-3272
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Cisco Prime Network Registrar
Other software / Other software solutions

Vendor Cisco Systems, Inc

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU28148

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2020-3272

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in the DHCP server. A remote attacker can send a specially crafted DHCP request and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco Prime Network Registrar: 8.3.0 - 10.1

CPE2.3 External links

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

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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