Security readout for executives and security teams
Plain-English summary
CVE-2022-2302 is a critical authentication weakness in specific Lenze cabinet products. After one legitimate login has occurred, the device may skip password verification on a later login, letting a remote attacker gain full access without knowing the password.
Executive priority
Treat this as urgent for any exposed operational technology environment. Full device access could affect confidentiality, integrity, and availability, but remediation should follow Lenze or VDE guidance because the provided sources do not name a specific fix.
Technical view
The issue is CWE-304, missing critical step in authentication. The CVSS 3.1 score is 9.8 with network attack vector, low complexity, no privileges, and no user interaction. The source bundle names Lenze cabinet c520, c550, and c750 version V01.07.00.2757 as affected.
Likely exposure
Exposure is most likely where affected Lenze cabinet c520, c550, or c750 devices running V01.07.00.2757 are reachable over a network, especially through remote management paths. The provided sources do not identify other versions or products.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. The vulnerability is still high-risk because it is remotely reachable and can allow full access without credentials after the precondition of a prior successful login.
Researcher notes
Evidence is limited to the CVE record and VDE advisory reference in the bundle. Do not assume broader affected versions, public exploit availability, or a patch level without vendor confirmation. The key assessment focus is authenticated-state handling and remote exposure.
Mitigation direction
- Identify all Lenze cabinet c520, c550, and c750 deployments.
- Check vendor and VDE guidance for fixed versions or supported mitigations.
- Restrict network access to affected devices using firewall or VPN controls.
- Remove internet exposure for device management interfaces.
- Review authentication sessions and rotate credentials where operationally appropriate.
Validation and detection
- Confirm product model and firmware version on each Lenze cabinet device.
- Map which management interfaces are reachable from untrusted networks.
- Review access logs for unusual authentication or session behavior.
- Verify compensating network controls block unauthorized remote access.
- Track vendor advisory status before closing remediation.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-304: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCredential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2022-2302 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://cert.vde.com/en/advisories/VDE-2022-030/CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Missing Critical Step in Authentication
Missing Critical Step in Authentication represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.