SB2021032919 - Denial of service in Cisco IOS and IOS XE
Published: March 29, 2021
Security Bulletin ID
SB2021032919
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
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-2021-1377)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to Address Resolution Protocol (ARP) entries are mismanaged. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.