CVE-2018-9849

Name: CVE-2018-9849
Creator: NVD / NIST
Published: 2018-05-10T14:29:00.767+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.00%

Last modified Jun 17, 2026

CVE-2018-9849 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.00% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

1.00%

58.5th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Pulsesecure	Pulse Connect Secure	>= 8.1, < 8.1r14
Pulsesecure	Pulse Connect Secure	>= 8.2, < 8.2r11
Pulsesecure	Pulse Connect Secure	>= 8.3, < 8.3r5

References

http://www.securityfocus.com/bid/104160Third Party Advisory, VDB Entry
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA43730Vendor Advisory
http://www.securityfocus.com/bid/104160Third Party Advisory, VDB Entry
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA43730Vendor Advisory

Timeline

Published: May 10, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-9849?

How severe is CVE-2018-9849?

Severity scoring for CVE-2018-9849 is pending analysis. The EPSS model estimates a 1.00% probability of exploitation in the next 30 days.

How do I fix CVE-2018-9849?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-9849?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST