CVE-2018-9849: Medium severity PulseSecure Pulse Connect Secure vulnerability

Published May 10, 2018
·
Updated

Pulse Secure Pulse Connect Secure 8.1.x before 8.1R14, 8.2.x before 8.2R11, and 8.3.x before 8.3R5 do not properly process nested XML entities, which allows remote attackers to cause a denial of service (memory consumption and memory errors) via a crafted XML document.

Affected Software

3 affected components
PulseSecure Pulse Connect Secure>=8.1<8.1r14
PulseSecure Pulse Connect Secure>=8.2<8.2r11
PulseSecure Pulse Connect Secure>=8.3<8.3r5

Event History

May 10, 2018
CVE Published
via MITRE·02:00 PM
Data Sourced
via MITRE·02:00 PM
Description
Data Sourced
via NVD·02:29 PM
DescriptionSeverityAffected Software
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 CVE-2018-9849?

CVE-2018-9849 is classified as a denial of service vulnerability that can lead to memory consumption and errors.

2

How do I fix CVE-2018-9849?

To fix CVE-2018-9849, upgrade Pulse Connect Secure to versions 8.1R14, 8.2R11, or 8.3R5 or later.

3

What software is affected by CVE-2018-9849?

CVE-2018-9849 affects Pulse Connect Secure versions prior to 8.1R14, 8.2R11, and 8.3R5.

4

What types of attacks can exploit CVE-2018-9849?

CVE-2018-9849 can be exploited by remote attackers using crafted XML documents to cause denial of service.

5

Is there a workaround for CVE-2018-9849 if I can't upgrade?

There are no known workarounds for CVE-2018-9849, so upgrading to a patched version is strongly recommended.

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