CVE-2020-15248

Name: CVE-2020-15248
Creator: NVD / NIST
Published: 2020-11-23T20:15:12.463+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.2/10EPSS 0.31%

Last modified Jun 17, 2026

CVE-2020-15248 is a medium-severity vulnerability rated 4.2/10 on the CVSS scale. October is a free, open-source, self-hosted CMS platform based on the Laravel PHP Framework. In October CMS from version 1.0.319 and before version 1.0.470, backend users with the default "Publisher" system role have access to create & manage users where they can choose which role the new user has. EPSS estimates a 0.31% chance of exploitation in the next 30 days.

Description

October is a free, open-source, self-hosted CMS platform based on the Laravel PHP Framework. In October CMS from version 1.0.319 and before version 1.0.470, backend users with the default "Publisher" system role have access to create & manage users where they can choose which role the new user has. This means that a user with "Publisher" access has the ability to escalate their access to "Developer" access. Issue has been patched in Build 470 (v1.0.470) & v1.1.1.

Metrics

CVSS 3.1

4.2/10

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

EPSS Probability

0.31%

22.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Octobercms	October	>= 1.0.319, < 1.0.469

References

https://github.com/octobercms/october/commit/78a37298a4ed4602b383522344a31e311402d829Patch, Third Party Advisory
https://github.com/octobercms/october/security/advisories/GHSA-rfjc-xrmf-5vvwThird Party Advisory
https://github.com/octobercms/october/commit/78a37298a4ed4602b383522344a31e311402d829Patch, Third Party Advisory
https://github.com/octobercms/october/security/advisories/GHSA-rfjc-xrmf-5vvwThird Party Advisory

Timeline

Published: Nov 23, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-15248?

How severe is CVE-2020-15248?

CVE-2020-15248 has a CVSS score of 4.2/10 (MEDIUM severity). The EPSS model estimates a 0.31% probability of exploitation in the next 30 days.

How do I fix CVE-2020-15248?

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-2020-15248?

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

Scan your code now

Source: NVD / NIST