CVE-2015-0677: Cisco Adaptive Security Appliance Software

High severity, CVSS 7.8. EPSS: 1.9% chance of exploitation in the next 30 days.

The XML parser in Cisco Adaptive Security Appliance (ASA) Software 8.4 before 8.4(7.28), 8.6 before 8.6(1.17), 9.0 before 9.0(4.33), 9.1 before 9.1(6), 9.2 before 9.2(3.4), and 9.3 before 9.3(3), when Clientless SSL VPN, AnyConnect SSL VPN, or AnyConnect IKEv2 VPN is used, allows remote attackers to cause a denial of service (VPN outage or device reload) via a crafted XML document, aka Bug ID CSCus95290.

Affected products

• Cisco Adaptive Security Appliance Software: version 8.4.1 only; version 8.4.1.3 only; version 8.4.1.11 only; version 8.4.2 only; version 8.4.2.1 only; version 8.4.2.8 only; …

Published 2015-04-13. Last modified 2026-06-17.