Auth bypass in Octobercms October
CVE-2020-15248
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.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.003 (21.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 21.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Octobercms October — versions >= 1.0.319, < 1.0.470
Weakness classification (CWE)
References
- github.com/octobercms/october/security/advisories/GHSA-rfjc-xrmf-5vvw (Third Party Advisory)
- github.com/octobercms/october/commit/78a37298a4ed4602b383522344a31e311402d829 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-15248?
- CVE-2020-15248 is a medium-severity vulnerability in Octobercms October, classified under Incorrect Authorization. CVSS score: 4.0/10. Published 2020-11-23.
- How severe is CVE-2020-15248?
- Medium severity. CVSS v3 base score is 4.0 out of 10.