Cisco's Zero-Day Vulnerability (CVE-2023-20198)
Cisco has released a Product Security Incident Response Team (PSIRT) advisory regarding a zero-day vulnerability in the web UI feature of Cisco IOS XE software. Cisco has stated that the web-based user interface should never be accessible through the public internet, yet research indicates that more than 10,000 Cisco devices have been exploited by an unknown threat actor. This critical vulnerability is being tracked as CVE-2023-20198 and is currently undergoing investigation for active exploitation.