CVE-2013-5508: Cisco Adaptive Security Appliance Software

High severity, CVSS 7.1. EPSS: 1.5% chance of exploitation in the next 30 days.

The SQL*Net inspection engine in Cisco Adaptive Security Appliance (ASA) Software 7.x before 7.2(5.12), 8.x before 8.2(5.44), 8.3.x before 8.3(2.39), 8.4.x before 8.4(6), 8.5.x before 8.5(1.18), 8.6.x before 8.6(1.12), 8.7.x before 8.7(1.6), 9.0.x before 9.0(2.10), and 9.1.x before 9.1(2) and Firewall Services Module (FWSM) 3.1.x and 3.2.x before 3.2(27) and 4.x before 4.1(14) allows remote attackers to cause a denial of service (device reload) via crafted segmented Transparent Network Substrate (TNS) packets, aka Bug ID CSCub98434.

Affected products

• Cisco Adaptive Security Appliance Software: version 7.0 only; version 7.0(0) only; version 7.0(1) only; version 7.0(2) only; version 7.0(4) only; version 7.0(5) only; …
• Cisco Firewall Services Module Software: version 4.1(1) only; version 4.1(2) only; version 4.1(3) only; version 4.1(4) only; version 4.1(5) only; version 4.1(6) only; …

Published 2013-10-13. Last modified 2026-06-16.