Improper Access Validation in products of MB connect line and Helmholz
Priority LOW 31CWE-269Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Privilege escalation
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-269.
Summary
An issue in MB connect line mymbCONNECT24, mbCONNECT24 and Helmholz myREX24 and myREX24.virtual in all versions through v2.11.2 allows a logged in user to see devices in the account he should not have access to due to improper use of access validation.
Why it matters now
EPSS 0.01005 63rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mbconnectline:mbconnect24:*:*:*:*:*:*:*:* | up to 2.11.2 | Vulnerable | MB connect line |
| cpe:2.3:a:mbconnectline:mymbconnect24:*:*:*:*:*:*:*:* | up to 2.11.2 | Vulnerable | MB connect line |
| cpe:2.3:a:helmholz:myrex24:*:*:*:*:*:*:*:* | up to 2.11.2 | Vulnerable | Helmholz |
| cpe:2.3:a:helmholz:myrex24.virtual:*:*:*:*:*:*:*:* | up to 2.11.2 | Vulnerable | Helmholz |
- cpe:2.3:a:mbconnectline:mbconnect24:*:*:*:*:*:*:*:* Versions up to 2.11.2 Vulnerable ·MB connect line
- cpe:2.3:a:mbconnectline:mymbconnect24:*:*:*:*:*:*:*:* Versions up to 2.11.2 Vulnerable ·MB connect line
- cpe:2.3:a:helmholz:myrex24:*:*:*:*:*:*:*:* Versions up to 2.11.2 Vulnerable ·Helmholz
- cpe:2.3:a:helmholz:myrex24.virtual:*:*:*:*:*:*:*:* Versions up to 2.11.2 Vulnerable ·Helmholz
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-35557
- 2026-10-03 Alias added: GHSA-4jrw-3q8x-9gpf
References
Sources
- CVE-2020-35557 · CVE Program
- CVE-2020-35557 · NVD
- FIRST EPSS
- GHSA-4jrw-3q8x-9gpf · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences