Cisco Nexus 9000 Series Switches Bidirectional Forwarding Detection Denial of Service (CVE-2022-20623)

A vulnerability in the rate limiter for Bidirectional Forwarding Detection BFD traffic of Cisco NX-OS Software for Cisco Nexus 9000 Series Switches could allow an unauthenticated, remote attacker to cause BFD traffic to be dropped on an affected device. This vulnerability is due to a logic error ...

CVE-2022-20623

creationtimestamp| type| source ---|---|--- 2022-02-23 20:13:42+00:00| seen| https://t.me/cibsecurity/37957 2022-02-25 13:00:43+00:00| exploited| https://t.me/truesecator/2670...

CVE-2022-20623

Cisco NX-OS for Nexus 9000 Series is affected by CVE-2022-20623 due to a logic error in the Bidirectional Forwarding Detection (BFD) rate limiter. An unauthenticated, remote attacker can send a crafted traffic stream to cause BFD traffic drops and BFD session flaps, leading to route instability a...