Backdoor Implanted on Hacked Cisco Devices Modified to Evade Detection

The backdoor implanted on Cisco devices by exploiting a pair of zero-day flaws in IOS XE software has been modified by the threat actor so as to escape visibility via previous fingerprinting methods. "Investigated network traffic to a compromised device has shown that the threat actor has upgraded the implant to do an extra header check," NCC Group's Fox-IT team said. "Thus, for a lot of devices

Warning: Unpatched Cisco Zero-Day Vulnerability Actively Targeted in the Wild

Cisco has warned of a critical, unpatched security flaw impacting IOS XE software that’s under active exploitation in the wild. Rooted in the web UI feature, the zero-day vulnerability is tracked as CVE-2023-20198 and has been assigned the maximum severity rating of 10.0 on the CVSS scoring system. It’s worth pointing out that the shortcoming only affects enterprise networking gear that have the