What is CVE-2022-40633?

CVE-2022-40633 is a medium-severity vulnerability in Rittal Cmc Iii, classified under Improper Access Control. CVSS score: 4.6/10. Published 2023-03-02.

How severe is CVE-2022-40633?

Medium severity. CVSS v3 base score is 4.6 out of 10.

Vulnerability in Rittal Cmc Iii

CVE-2022-40633

A malicious actor can clone access cards used to open control cabinets secured with Rittal CMC III locks.

Published 2023-03-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (16.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 16th percentile — 16.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

www.cisa.gov/news-events/ics-advisories/icsa-23-061-03 (US Government Resource, Third Party Advisory, Mitigation)

Frequently asked questions

What is CVE-2022-40633?: CVE-2022-40633 is a medium-severity vulnerability in Rittal Cmc Iii, classified under Improper Access Control. CVSS score: 4.6/10. Published 2023-03-02.
How severe is CVE-2022-40633?: Medium severity. CVSS v3 base score is 4.6 out of 10.