Concrete CMS ↗
Summary iPlain-English security verdict for Concrete CMS, generated from its current health score, actively-exploited vulnerabilities, and latest supported version.
Concrete CMS's security status could not be assessed at the last sync — vulnerability data was unavailable.
Disclosure trend iNew CVEs published for Concrete CMS each year (NVD). A higher bar means more disclosures that year — more scrutiny, not necessarily less safe.
Patch priority — what to act on iThe issues to fix first — actively exploited (CISA KEV) first, then by exploitation probability (EPSS), then severity. Each row's "→ fixed in" is the earliest version that patches it; "see advisory" means no fixed version is published.
No urgent unpatched issues identified. ✓
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Versions & lifecycle iWhen each release line stops receiving security patches (end-of-life). After EOL there are no more fixes — plan upgrades before these dates.
How long each Concrete CMS release line is supported — and when it sunsets. Select a line for its full report.
Full Concrete CMS end-of-life dates & support timeline →
9 latest 9.5.2 Supported 9.5.2 → 8 latest 8.5.21 End of life ended 2025-08-058.5.21 → 5.7 latest 5.7.5.13 End of life ended 2019-10-235.7.5.13 → 5.6 latest 5.6.4.0 End of life ended 2019-02-265.6.4.0 → See all upcoming end-of-life dates →Frequently asked
Is Concrete CMS safe and patched?
Concrete CMS's security status could not be assessed at the last sync — vulnerability data was unavailable.
What should I do about Concrete CMS now?
Upgrade Concrete CMS to the latest supported release (9.5.2) or later and apply available security updates, then confirm against Concrete CMS's official advisory.
When does Concrete CMS reach end-of-life?
The latest supported Concrete CMS release is 9.5.2. After end-of-life a release no longer receives security patches.
Which versions of Concrete CMS are still receiving security updates?
Supported Concrete CMS release lines (latest 9.5.2): 9. End-of-life releases no longer receive security patches.
Informational only, from public data (NVD · CISA KEV · EPSS · endoflife.date), and can lag or miss vendor-specific fixes. Always confirm against Concrete CMS's official advisory before you patch or upgrade — Concrete CMS official site ↗