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February 24, 2022
Severity
Medium
Analysis Summary
CVE-2022-0721
Cisco FXOS and Cisco NX-OS are vulnerable to a denial of service, caused by improper handling of Cisco Discovery Protocol messages. By sending a series of malicious Cisco Discovery Protocol messages, a remote attacker could exploit this vulnerability to cause the service to restart.
Impact
- Denial of Service
Indicators of Compromise
CVE
- CVE-2022-0721
Affected Vendors
Cisco
Affected Products
- Cisco NX-OS
- Cisco Nexus 3000 Series Switches
- Cisco MDS 9000 Series Multilayer Switches
- Cisco Nexus 6000 Series Switches
Remediation
Refer to Cisco Security Advisory for patch, upgrade or suggested workaround information.