CVE-2021-32648GHSA-mxr5-mc97-63rc
October CMS Improper Authentication
October CMS October CMSPackagistLibraries & packages
CVSS
8.2HighExploit odds (EPSS)90.4%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS
CISA required actionApply updates per vendor instructions. CISA KEV
What fixes it
- 1.0.472october/system, composerGitHub
composer require "october/system:^1.0.472" - 1.1.5october/system, composerGitHub
composer require "october/system:^1.1.5" - 1.0.472october/system, PackagistOSV
composer require "october/system:^1.0.472" - 1.1.5october/system, PackagistOSV
composer require "october/system:^1.1.5"
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
Timeline
Public exploit code and templates 1
- Scanner templateOctoberCMS - Account TakeoverNuclei
Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.
Description
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.
Text from CVE List
Affected versions 59
- octoberaffected: >= 1.0.471, < 1.0.472CVE List
- octoberaffected: >= 1.1.1, < 1.1.5CVE List
- october/system, composer1.0.471, 1.1.1GitHub
- october/system, Packagistfrom first release, fixed in 1.0.472OSV
- october/system, Packagistv1.0.319OSV
- october/system, Packagistv1.0.320OSV
- october/system, Packagistv1.0.321OSV
- october/system, Packagistv1.0.322OSV
- october/system, Packagistv1.0.323OSV
- october/system, Packagistv1.0.324OSV
- october/system, Packagistv1.0.325OSV
- october/system, Packagistv1.0.326OSV
- october/system, Packagistv1.0.327OSV
- october/system, Packagistv1.0.328OSV
- october/system, Packagistv1.0.329OSV
- october/system, Packagistv1.0.330OSV
- october/system, Packagistv1.0.331OSV
- october/system, Packagistv1.0.332OSV
- october/system, Packagistv1.0.333OSV
- october/system, Packagistv1.0.334OSV
- october/system, Packagistv1.0.335OSV
- october/system, Packagistv1.0.336OSV
- october/system, Packagistv1.0.337OSV
- october/system, Packagistv1.0.338OSV
- october/system, Packagistv1.0.339OSV
- october/system, Packagistv1.0.340OSV
- october/system, Packagistv1.0.341OSV
- october/system, Packagistv1.0.342OSV
- october/system, Packagistv1.0.343OSV
- october/system, Packagistv1.0.344OSV
- october/system, Packagistv1.0.345OSV
- october/system, Packagistv1.0.346OSV
- october/system, Packagistv1.0.347OSV
- october/system, Packagistv1.0.348OSV
- october/system, Packagistv1.0.349OSV
- october/system, Packagistv1.0.350OSV
- october/system, Packagistv1.0.351OSV
- october/system, Packagistv1.0.352OSV
- october/system, Packagistv1.0.353OSV
- october/system, Packagistv1.0.354OSV
- october/system, Packagistv1.0.355OSV
- october/system, Packagistv1.0.356OSV
- october/system, Packagistv1.0.357OSV
- october/system, Packagistv1.0.358OSV
- october/system, Packagistv1.0.359OSV
- october/system, Packagistv1.0.360OSV
- october/system, Packagistv1.0.361OSV
- october/system, Packagistv1.0.362OSV
- october/system, Packagistv1.0.363OSV
- october/system, Packagistv1.0.364OSV
- october/system, Packagistv1.0.365OSV
- october/system, Packagistv1.0.366OSV
- october/system, Packagistv1.0.367OSV
- october/system, Packagistv1.0.368OSV
- october/system, Packagistfrom 1.1.1, fixed in 1.1.5OSV
- october/system, Packagistv1.1.1OSV
- october/system, Packagistv1.1.2OSV
- october/system, Packagistv1.1.3OSV
- october/system, Packagistv1.1.4OSV
References 5
- github.com/octobercms/library/commit/016a297b1bec55d2e53bc889458ed2cb5c3e9374Fixvia CVE List
- github.com/octobercms/library/commit/5bd1a28140b825baebe6becd4f7562299d3de3b9Fixvia CVE List
- github.com/octobercms/october/security/advisories/GHSA-mxr5-mc97-63rcAdvisoryvia CVE List
- nvd.nist.gov/vuln/detail/CVE-2021-32648Referencevia CISA KEV
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-32648Referencevia CVE List