CIS.DE is trading 2.8% down at $101.00 following widespread reports of active exploitation of a critical security flaw in Cisco's Unified Communications Manager. - The vulnerability, initially disclosed earlier in June, has seen threat actors actively exploiting a publicly available proof-of-concept. - This ongoing exploitation extends Thursday’s drop and adds to the downward pressure from broader tech-sector weakness. - The security vulnerability allows unauthenticated, remote attackers to conduct server-side request forgery (SSRF) and potentially elevate privileges to root.