CVE-2020-36249

Name: CVE-2020-36249
Creator: NVD / NIST
Published: 2021-02-19T07:15:13.433+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.83%

Last modified Jun 17, 2026

CVE-2020-36249 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. The File Firewall before 2.8.0 for ownCloud Server does not properly enforce file-type restrictions for public shares.. EPSS estimates a 0.83% chance of exploitation in the next 30 days.

Description

The File Firewall before 2.8.0 for ownCloud Server does not properly enforce file-type restrictions for public shares.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.83%

53.0th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Owncloud	File Firewall	< 2.8.0

References

https://owncloud.com/security-advisories/bypassing-file-firewall-oc-sa-2020-002/Vendor Advisory
https://owncloud.com/security-advisories/bypassing-file-firewall-oc-sa-2020-002/Vendor Advisory

Timeline

Published: Feb 19, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-36249?

The File Firewall before 2.8.0 for ownCloud Server does not properly enforce file-type restrictions for public shares.

How severe is CVE-2020-36249?

CVE-2020-36249 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.83% probability of exploitation in the next 30 days.

How do I fix CVE-2020-36249?

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-2020-36249?

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

Scan your code now

Source: NVD / NIST