What is CVE-2022-40634?

CVE-2022-40634 is a medium-severity vulnerability in Craftercms Crafter Cms, classified under Improper Control of Dynamically-Managed Code Resources. CVSS score: 6.4/10. Published 2022-09-13.

How severe is CVE-2022-40634?

Medium severity. CVSS v3 base score is 6.4 out of 10.

Is CVE-2022-40634 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Craftercms Crafter Cms

CVE-2022-40634

Improper Control of Dynamically-Managed Code Resources vulnerability in Crafter Studio of Crafter CMS allows authenticated developers to execute OS commands via FreeMarker SSTI.

Published 2022-09-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.016 (74.1th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.016 · change: +0.003

Affected products

Craftercms Crafter Cms
Crafter Software Cms — versions 3.1

Weakness classification (CWE)

CWE-913 — Improper Control of Dynamically-Managed Code Resources

Public proof-of-concept exploits

References

docs.craftercms.org/en/3.1/security/advisory.html (Vendor Advisory)

Frequently asked questions

What is CVE-2022-40634?: CVE-2022-40634 is a medium-severity vulnerability in Craftercms Crafter Cms, classified under Improper Control of Dynamically-Managed Code Resources. CVSS score: 6.4/10. Published 2022-09-13.
How severe is CVE-2022-40634?: Medium severity. CVSS v3 base score is 6.4 out of 10.
Is CVE-2022-40634 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.