Assessment
Why it matters
CISA lists this vulnerability as known to be exploited; exploitation is confirmed; EPSS is 90.4%; technical severity is CVSS 9.1.
octobercms in a CMS platform based on the Laravel PHP Framework. In affected versions of the october/system package an attacker can request an account password reset and then gain access to the account using a specially crafted request. The issue has been patched in Build 472 and v1.1.5.
Who should care
- Teams operating October CMS, October
- Vulnerability and exposure management teams
- Security operations teams monitoring exploitation activity
Response plan
What I would do
- Confirm whether October CMS, October is present in the environment.
- Identify affected versions and establish whether vulnerable services are exposed or reachable.
- GitHub Security patch 016a297b1bec55d2e53bc889458ed2cb5c3e9374
- Review relevant security telemetry for evidence of attempted or successful exploitation.
- Document the remediation decision and track it to verified completion.
Treatment intelligence
Remediation intelligence
Vendor sources are listed before government and third-party guidance. Confirm product applicability and change prerequisites before deployment.
Patch
Technical details
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- CWE
- CWE-287
- Affected versions
- October CMS October CMS; Octobercms October (Start Including 1.1.1, End Excluding 1.1.5 | Version 1.0.471)
- Fixed versions
- Octobercms October (Fixed from 1.1.5)
- Published
- 26 August 2021
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
Signal timeline
- CVE published
- Added to CISA KEV
- Latest EPSS score: 90.4%
- Signal calculated at 83