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MEDIUM severity

Session Fixation in Subrion CMSGHSA-qpxw-6473-ppww

MEDIUM

GHSA-qpxw-6473-ppww is a medium-severity (CVSS 6.5) CWE-384 vulnerability in intelliants/subrion. 1 public exploit reference exists, so weaponization risk is real. No vendor fix is recorded yet; mitigation options are listed below.

Also known asCVE-2020-12467
Published
Updated
Affected
1 pkg
Patched
See advisory
Exploits
1 known
Exploitation data as of Oct 10, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
0.9%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs60th percentile — riskier than 60% of all scored CVEsHighest risk
0.00%0.48%0.96%1.44%0.3%0.9%Apr 26Aug 26Oct 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

GHSA-qpxw-6473-ppww by exploitation likelihood (EPSS) against impact (CVSS). Outside the shaded patch-first corner.

Where this sits among everything scored

Of 385,386 CVEs with a current EPSS score, this one falls in the < 10% band (highlighted). Counts from FIRST.org, log-scaled.

Real-World Exposure

1 pkg affected
🐘intelliants/subrion

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.

Description

Subrion CMS 4.2.1 allows session fixation via an alphanumeric value in a session cookie.

Affected Packages

1 total
EcosystemPackageVulnerable rangeFix
🐘Packagistintelliants/subrionall versionsNo fix

Affected Products

1 product · 1 configurations
Application
subrionintelliants
1 version
4.2.1
Exploits & PoCs
1

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

Subrion CMS 4.2.1 allows session fixation via an alphanumeric value in a…

github.comNVDMay 2020

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for intelliants/subrion, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Remediation status

    No patched version of intelliants/subrion has shipped for GHSA-qpxw-6473-ppww yet. Where your build allows, override or pin the dependency away from the vulnerable range, and apply any maintainer-recommended mitigation.

  3. Mitigate without a patch

    Put an independent control in front of the weakness: restrict the affected endpoint or interface to trusted networks, require an additional authentication factor or proxy-level check, and invalidate existing sessions and credentials in case the flaw has already been used.

Frequently Asked Questions

Subrion CMS 4.2.1 allows session fixation via an alphanumeric value in a session cookie.
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Session Fixation in Subrion CMS (Medium 6.5)