Cisco Nexus 9000 Series Fabric Switches in ACI Mode Denial of Service Vulnerability
Summary
A vulnerability in Cisco Nexus 9000 Series Fabric Switches in ACI mode could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient validation when processing specific Ethernet frames. An attacker could exploit this vulnerability by sending a crafted Ethernet frame to the management interface of an affected device. A successful exploit could allow the attacker to cause the device to reload unexpectedly, resulting in a DoS condition. Note: Only the out-of-band (OOB) management interface is affe…
- Scope: This vulnerability affects Cisco Nexus 9000 Series Fabric Switches in ACI mode if they have a configured and active OOB management interface.
Official advisory · high-confidence parse· fetched 7 hours ago·verify at source
Mitigation checklist
- There are no workarounds that address this vulnerability.
Official advisory · high-confidence parse· fetched 7 hours ago·verify at source
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