CVE-2021-23264 is a critical-severity (CVSS 9.1) CWE-402 vulnerability in org.craftercms:crafter-search. A fix is available for org.craftercms:crafter-search — see the affected versions and patch details below.
Exposure of Resource to Wrong Sphere in org.craftercms:crafter-search
EPSS Exploitation Probability
Probability of exploitation in the next 30 days, from FIRST.org EPSS.
How urgent is this, really
CVE-2021-23264 by exploitation likelihood (EPSS) against impact (CVSS). Outside the shaded patch-first corner.
Where this sits among everything scored
Of 385,738 CVEs with a current EPSS score, this one falls in the < 10% band (highlighted). Counts from FIRST.org, log-scaled.
Real-World Exposure
org.craftercms:crafter-searchReal-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.
Description
Installations, where crafter-search is not protected, allow unauthenticated remote attackers to create, view, and delete search indexes.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| ☕Maven | org.craftercms:crafter-search | ≥ 3.1.0&&< 3.1.15 | 3.1.15org.craftercms:crafter-search:3.1.15 |
Affected Products
crafter cmscraftercmsDetection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.craftercms:crafter-search, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update org.craftercms:crafter-search to 3.1.15 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2021-23264 is resolved across your whole dependency graph.
Workarounds
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.
Frequently Asked Questions
Is CVE-2021-23264 in your dependencies?
Find it across Maven, including transitive dependencies.