CVE-2021-1367 MEDIUM

CVE-2021-1367: Cisco NX-OS Software Protocol Independent Multicast Denial of Service Vulnerability

Vendor Cisco
Product Cisco NX-OS Software
Weakness CWE-20 · Input validation
Published February 24, 2021
Last update November 8, 2024
View on NVD All CVEs

CVSS base score

4.3/10
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

What the vulnerability does

01Description

A vulnerability in the Protocol Independent Multicast (PIM) feature of Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending a crafted PIM packet to an affected device. A successful exploit could allow the attacker to cause a traffic loop, resulting in a DoS condition.

Key dates

02Disclosure timeline

February 24, 2021 CVE published
November 8, 2024 Record updated