Vulnerability Intelligence Report
Authenticated file write leads to remote code execution in october/system
CVE-2021-32649
October CMS is a self-hosted content management system (CMS) platform based on the Laravel PHP Framework. Prior to versions 1.0.473 and 1.1.6, an attacker with "create, modify and delete website pages" privileges in the backend is able to execute PHP code by running specially crafted Twig code in the template markup. The issue has been patched in Build 473 (v1.0.473) and v1.1.6. Those unable to upgrade may apply the patch to their installation manually as a workaround.
No Active Exploit Signals
CVSS Base Score
8.8
HIGH
Exploitability:2.9
Impact Score:5.9
EPSS Probability:1.34%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-74 ↗CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| octobercms | october | < 1.0.473 (affected), >= 1.1.0, < 1.1.6 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
1.336%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | GitHub, Inc. · Vendor · USA |
| Reserved | 2021-05-12T00:00:00 |
| Published | 2022-01-14T15:05:17 |
| Last Updated | 2025-04-23T19:12:11 |
Community Chatter & Buzz