cisco-sa-20180620-anyconnect-dos: Cisco AnyConnect Secure Mobility Client for Windows Desktop Denial of Service Vulnerability

Published Jun 20, 2018
·
Updated

A vulnerability in vpnva-6.sys for 32-bit Windows and vpnva64-6.sys for 64-bit Windows of Cisco AnyConnect Secure Mobility Client for Windows Desktop could allow an authenticated, local attacker to cause a denial of service (DoS) condition on an affected system. The vulnerability is due to improper validation of user-supplied data. An attacker could exploit this vulnerability by sending a malicious request to the application. A successful exploit could allow the attacker to cause a DoS condition on the affected system.

There are no workarounds that address this vulnerability.

Credit

This vulnerability was discovered by Cesar Cerrudo(IOActive), Ilja van Sprundel(IOActive), (IOActive), Enrique Nissim(IOActive), Gert Doering at OpenVPN.

Affected Software

1 affected component
cisco AnyConnect Secure Mobility Client

Event History

Jun 20, 2018
Advisory Published
04:00 PM
Data Sourced
04:00 PM
DescriptionSeverityWeaknessAffected Software

Child vulnerabilities

Contains the following vulnerabilities.

Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of cisco-sa-20180620-anyconnect-dos?

The severity of cisco-sa-20180620-anyconnect-dos is classified as medium.

2

How do I fix cisco-sa-20180620-anyconnect-dos?

To fix cisco-sa-20180620-anyconnect-dos, update your Cisco AnyConnect Secure Mobility Client to the latest version.

3

Who is impacted by cisco-sa-20180620-anyconnect-dos?

Users of Cisco AnyConnect Secure Mobility Client on 32-bit and 64-bit Windows systems are impacted by cisco-sa-20180620-anyconnect-dos.

4

What do I need to mitigate cisco-sa-20180620-anyconnect-dos?

To mitigate cisco-sa-20180620-anyconnect-dos, ensure that local system access is restricted to authorized personnel.

5

Can cisco-sa-20180620-anyconnect-dos be exploited remotely?

No, cisco-sa-20180620-anyconnect-dos can only be exploited by an authenticated, local attacker.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203