SB2021022522 - Denial of service in Cisco NX-OS Software Protocol Independent Multicast
Published: February 25, 2021
Security Bulletin ID
SB2021022522
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2021-1367)
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 Protocol Independent Multicast (PIM) feature. A remote attacker on the local network can send a spceially crrafted PIM packet and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.