Cisco Zero-Day Exploited to Implant Malicious Lua Backdoor on Thousands of Devices

Cisco has warned of a new zero-day flaw in IOS XE that has been actively exploited by an unknown threat actor to deploy amalicious Lua-based implanton susceptible devices. Tracked asCVE-2023-20273(CVSS score: 7.2), the issue relates to a privilege escalation flaw in the web UI feature and is said to have been used alongside CVE-2023-20198 as part of an exploit chain. “The attacker first