CVE-2019-1705: Cisco Adaptive Security Appliance Software

Medium severity, CVSS 5.9. EPSS: 2% chance of exploitation in the next 30 days.

A vulnerability in the remote access VPN session manager of Cisco Adaptive Security Appliance (ASA) Software could allow a unauthenticated, remote attacker to cause a denial of service (DoS) condition on the remote access VPN services. The vulnerability is due to an issue with the remote access VPN session manager. An attacker could exploit this vulnerability by requesting an excessive number of remote access VPN sessions. An exploit could allow the attacker to cause a DoS condition.

Affected products

• Cisco Adaptive Security Appliance Software: from 9.4, before 9.4.4.34 (fixed in 9.4.4.34); from 9.5, before 9.6.4.25 (fixed in 9.6.4.25); from 9.7, before 9.8.4 (fixed in 9.8.4); from 9.9, before 9.9.2.50 (fixed in 9.9.2.50); from 9.10, before 9.10.1.17 (fixed in 9.10.1.17)

Published 2019-05-03. Last modified 2026-06-17.