Cisco released a security advisory to address a vulnerability (CVE-2023-20198) affecting IOS XE Software Web UI. A cyber threat actor can exploit this vulnerability to take control of an affected device.
CISA encourages users and administrators to review the Cisco security advisory, apply the necessary recommendations, hunt for any malicious activity and report any positive findings to CISA, and apply patches when made available.
See the following for additional guidance and resources: