CVE-2020-11585

Name: CVE-2020-11585
Creator: NVD / NIST
Published: 2020-04-06T21:15:13.687+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.69%

Last modified Jun 17, 2026

CVE-2020-11585 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. There is an information disclosure issue in DNN (formerly DotNetNuke) 9.5 within the built-in Activity-Feed/Messaging/Userid/ Message Center module. A registered user is able to enumerate any file in the Admin File Manager (other than ones contained in a secure folder) by sending themselves a message with the file attached, e.g., by using an arbitrary small integer value in the fileIds parameter.. EPSS estimates a 0.69% chance of exploitation in the next 30 days.

Description

There is an information disclosure issue in DNN (formerly DotNetNuke) 9.5 within the built-in Activity-Feed/Messaging/Userid/ Message Center module. A registered user is able to enumerate any file in the Admin File Manager (other than ones contained in a secure folder) by sending themselves a message with the file attached, e.g., by using an arbitrary small integer value in the fileIds parameter.

Metrics

CVSS 3.1

4.3/10

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

EPSS Probability

0.69%

48.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Dnnsoftware	Dotnetnuke	9.5.0

References

https://neff.blog/2020/04/04/dotnetnuke-9-5-file-path-information-disclosure/Exploit, Third Party Advisory
https://neff.blog/2020/04/04/dotnetnuke-9-5-file-path-information-disclosure/Exploit, Third Party Advisory

Timeline

Published: Apr 6, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-11585?

How severe is CVE-2020-11585?

CVE-2020-11585 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.69% probability of exploitation in the next 30 days.

How do I fix CVE-2020-11585?

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-2020-11585?

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

Scan your code now

Source: NVD / NIST