versions prior to 21.2R1-S1-EVO; 21.3-EVO version 21.3R2-EVO and later versions; 21.4-EVO version 21.4R1-EVO and later versions. Cisco products running these Operating Systems are vulnerable as well. The following Cisco products are vulnerable: Cisco ASR 1000 Series Routers Cisco ASR 1000 Series Routers Cisco CRS-1 , CRS-1M , CRS-9 , CRS-9M , CRS-M1 , Cisco CRS-M2 Cisco CRS-M2 Cisco CRS-M4 Cisco CRS-M4 Cisco CRS-M8 Cisco CRS-M8 Cisco CRS-X , Cisco CRS-XE Cisco CRS-XE Cisco CRS-XR Cisco CRS-XR Cisco Nexus 1000V , Cisco Nexus 1000V Cisco Nexus 9300 , Cisco Nexus 9300 Cisco Nexus 9500 / 9500-X , Cisco Nexus 9500 / 9500-X Cisco Nexus 9600 / 9600-X , Cisco Nexus 9600 / 9600-X Cisco Nexus 9700 / 9700-X , Cisco Nexus 9700 / 9700-X Cisco Nexus 9800 / 9800-X , Cisco Nexus 9800 / 9800-X Cisco Nexus 9900 / 9900-X , Cisco Nexus 9900 / 9900-X Cisco Nexus 9940 / 9940
How to find which Cisco product you are running?
To figure out which Cisco products are vulnerable and to determine what versions are vulnerable, you can use the following command:
show version
The command output will list the last two numbers of your Cisco product’s firmware version. For example, if the command output is show version 1.8.1-3-g3ccged, then that means your Cisco product is running a vulnerable version of firmware prior to 21.2R1-S1-EVO; 21.3-EVO version 21.3R2-EVO and later versions; 21.4-EVO version 21.4R1-EVO and later versions.
What is Cisco IOS?
Cisco IOS is the operating system that hardware including routers, switches and other networking devices run on. Cisco IOS is an open source operating system that is made for use in the enterprise, service provider or carrier network environments.
Timeline
Published on: 10/18/2022 03:15:00 UTC