This security advisory describes one low risk vulnerability.
Exploit availability: NoDescription
The vulnerability allows a remote attacker to cause a device to learn invalid Address Resolution Protocol (ARP) entries.
The vulnerability exists due to improper validation of a received gratuitous ARP (GARP) request in the anycast gateway feature. A remote attacker on the local network can send a malicious GARP packet to cause the ARP table on the device to become corrupted and populate the ARP table with incorrect entries, which could lead to traffic disruptions.
affects the following products if they are running a vulnerable
release of Cisco NX-OS Software and had the anycast gateway feature
This vulnerability affects the following products if they are running a vulnerable release of Cisco NX-OS Software and had the anycast gateway feature enabled:
Install updates from vendor's website.Vulnerable software versions
Cisco NX-OS: 8.1(1), 8.4(1), 9.3(1)CPE
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.