SB20250227200 - Denial of service in Cisco Nexus 3000 and 9000 Series Switches
Published: February 27, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2025-20111)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to the incorrect handling of specific Ethernet frames in the health monitoring diagnostics. A remote attacker on the local network can send a sustained rate of crafted Ethernet frames and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.