CVE-2015-4241: Cisco Adaptive Security Appliance (ASA) Software 9.3(2) allows remote attackers to cause a denial of servic...

Security readout for executives and security teams

This flaw can make a Cisco ASA firewall running software 9.3(2) reload after receiving specially crafted OSPFv2 packets from the local network. The business concern is availability: a reload can interrupt firewall services and dependent connectivity. The provided sources do not show active exploitation or a CVSS score. Likely exposure is limited to environments running Cisco ASA Software 9.3(2) where OSPFv2 is enabled and reachable from local network segments. The source bundle does not identify additional affected versions or products. Treat as a targeted availability risk for affected firewalls, especially where ASA devices protect critical connectivity. It does not have confirmed active exploitation in the provided sources, but a firewall reload can still cause operational disruption. Mitigation focus: Check Cisco advisory guidance for affected status and fixed software.; Prioritize upgrade or remediation for ASA 9.3(2) devices using OSPFv2.; Limit OSPFv2 adjacency and packet reachability to trusted internal routing segments..

Prepared

Jun 13, 2026, 22:22 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.