CVE-2020-5296

Name: CVE-2020-5296
Creator: NVD / NIST
Published: 2020-06-03T22:15:11.677+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.9/10EPSS 1.43%

Last modified Jun 17, 2026

CVE-2020-5296 is a medium-severity vulnerability rated 4.9/10 on the CVSS scale. In OctoberCMS (october/october composer package) versions from 1.0.319 and before 1.0.466, an attacker can exploit this vulnerability to delete arbitrary local files of an October CMS server. The vulnerability is only exploitable by an authenticated backend user with the `cms.manage_assets` permission. EPSS estimates a 1.43% chance of exploitation in the next 30 days.

Description

In OctoberCMS (october/october composer package) versions from 1.0.319 and before 1.0.466, an attacker can exploit this vulnerability to delete arbitrary local files of an October CMS server. The vulnerability is only exploitable by an authenticated backend user with the `cms.manage_assets` permission. Issue has been patched in Build 466 (v1.0.466).

Metrics

CVSS 3.1

4.9/10

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

EPSS Probability

1.43%

69.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Octobercms	October	>= 1.0.319, < 1.0.466

References

http://packetstormsecurity.com/files/158730/October-CMS-Build-465-XSS-File-Read-File-Deletion-CSV-Injection.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2020/Aug/2Exploit, Mailing List, Third Party Advisory
https://github.com/octobercms/october/commit/2b8939cc8b5b6fe81e093fe2c9f883ada4e3c8ccPatch, Third Party Advisory
https://github.com/octobercms/october/security/advisories/GHSA-jv6v-fvvx-4932Patch, Third Party Advisory
http://packetstormsecurity.com/files/158730/October-CMS-Build-465-XSS-File-Read-File-Deletion-CSV-Injection.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2020/Aug/2Exploit, Mailing List, Third Party Advisory
https://github.com/octobercms/october/commit/2b8939cc8b5b6fe81e093fe2c9f883ada4e3c8ccPatch, Third Party Advisory
https://github.com/octobercms/october/security/advisories/GHSA-jv6v-fvvx-4932Patch, Third Party Advisory

Timeline

Published: Jun 3, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-5296?

How severe is CVE-2020-5296?

CVE-2020-5296 has a CVSS score of 4.9/10 (MEDIUM severity). The EPSS model estimates a 1.43% probability of exploitation in the next 30 days.

How do I fix CVE-2020-5296?

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-2020-5296?

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

Scan your code now

Source: NVD / NIST