CVE-2019-1705

Cisco Adaptive Security Appliance Software VPN Denial of Service Vulnerability

MEDIUM

5.3

CVSS Score

Published: May 3, 2019 at 04:10 PM UTC

Updated: June 17, 2026 at 02:29 AM UTC

9 products affected across 1 vendorAdaptive Security ApplianceAsa 5525-XAsa 5555-X

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Severity

MEDIUM5.3

Exploit prediction

EPSS 2%

SSVC

No known exploit

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Adaptive Security Appliance · Cisco

95%

v < 9.10.1.17v < 9.4.4.34v < 9.6.4.25v < 9.8.4v < 9.9.2.509.10 ≤ v < 9.10.1.179.4 ≤ v < 9.4.4.349.5 ≤ v < 9.6.4.259.7 ≤ v < 9.8.49.9 ≤ v < 9.9.2.50

Affected range stops below 9.10.1.17, so it looks safe — our inference, not a vendor statement

Affected range stops below 9.4.4.34, so it looks safe — our inference, not a vendor statement

Affected range stops below 9.6.4.25, so it looks safe — our inference, not a vendor statement

Affected range stops below 9.8.4, so it looks safe — our inference, not a vendor statement

Affected range stops below 9.9.2.50, so it looks safe — our inference, not a vendor statement

cisco-asa-5506-x (environment) · cisco-asa-5506h-x (environment) · cisco-asa-5506w-x (environment) · cisco-asa-5508-x (environment) · cisco-asa-5516-x (environment) · cisco-asa-5525-x (environment) · cisco-asa-5545-x (environment) · cisco-asa-5555-x (environment)

Asa 5506-X · Ciscodevice

80%

All versions

Asa 5506H-X · Ciscodevice

80%

All versions

Asa 5506W-X · Ciscodevice

80%

All versions

Asa 5508-X · Ciscodevice

80%

All versions