HOMEVULNERABILITIESCVE-2022-40633
MEDIUM

CVE-2022-40633

NVD-CWE-OtherPublished: March 2, 2023· Updated: Jun 17, 2026

4.6
CVSS v3.1

Official Description

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

NVD Source

Technical Analysis

CVE-2022-40633 requires local access, meaning attackers must already have a foothold on the target system.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 4.6.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorPhysical
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Vendors & Products

rittal2 product(s)
cmc iii firmwarecmc iii
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (2)

https://www.cisa.gov/news-events/ics-advisories/icsa-23-061-03Mitigation · Third Party Advisory · US Government Resource
https://www.cisa.gov/news-events/ics-advisories/icsa-23-061-03Mitigation · Third Party Advisory · US Government Resource

Quick Facts

CVE IDCVE-2022-40633
CVSS Score4.6 / 10
SeverityMEDIUM
CISA KEVNo
Affected1 vendor(s)
PublishedMar 2, 2023

Related CVEs (NVD-CWE-Other)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2022-40633 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.