SB2021092402 - Denial of service in Cisco IOS XE Software
Published: September 24, 2021
Security Bulletin ID
SB2021092402
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) Resource management error (CVE-ID: CVE-2021-1621)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper handling of certain Layer 2 frames. A remote attacker on the local network can pass specially crafted data to the application and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.