CVE-2018-18326

Name: CVE-2018-18326
Creator: NVD / NIST
Published: 2019-07-03T17:15:10.33+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 53.62%

Last modified Jun 17, 2026

CVE-2018-18326 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. DNN (aka DotNetNuke) 9.2 through 9.2.2 incorrectly converts encryption key source values, resulting in lower than expected entropy. NOTE: this issue exists because of an incomplete fix for CVE-2018-15812.. EPSS estimates a 53.62% chance of exploitation in the next 30 days.

Description

DNN (aka DotNetNuke) 9.2 through 9.2.2 incorrectly converts encryption key source values, resulting in lower than expected entropy. NOTE: this issue exists because of an incomplete fix for CVE-2018-15812.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

53.62%

98.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-331

Affected Software

Vendor	Product	Versions
Dnnsoftware	Dotnetnuke	>= 9.2, <= 9.2.2

References

http://packetstormsecurity.com/files/157080/DotNetNuke-Cookie-Deserialization-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
https://github.com/dnnsoftware/Dnn.Platform/releasesRelease Notes
https://www.dnnsoftware.com/community/security/security-centerVendor Advisory
http://packetstormsecurity.com/files/157080/DotNetNuke-Cookie-Deserialization-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
https://github.com/dnnsoftware/Dnn.Platform/releasesRelease Notes
https://www.dnnsoftware.com/community/security/security-centerVendor Advisory

Timeline

Published: Jul 3, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-18326?

How severe is CVE-2018-18326?

CVE-2018-18326 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 53.62% probability of exploitation in the next 30 days.

How do I fix CVE-2018-18326?

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-2018-18326?

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

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Source: NVD / NIST