Password policy evasion in products of MB connect line and Helmholz
Priority LOW 21CWE-669Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
In MB connect line mymbCONNECT24, mbCONNECT24 and Helmholz myREX24 and myREX24.virtual in all versions through v2.11.2 an authenticated attacker can change the password of his account into a new password that violates the password policy by intercepting and modifying the request that is send to the server.
Why it matters now
EPSS 0.00659 51st 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 |
|---|---|---|---|---|---|
| MB connect line | mymbCONNECT24 | 2 – 2.11.2 | — | No fix listed | CNA |
| MB connect line | mbCONNECT24 | 2 – 2.11.2 | — | No fix listed | CNA |
| Helmholz | myREX24 | 2 – 2.11.2 | — | No fix listed | CNA |
| Helmholz | myREX24.virtual | 2 – 2.11.2 | — | No fix listed | CNA |
- mymbCONNECT24 VendorMB connect line Affected 2 – 2.11.2 Fixed in — No fix listed CNA
- mbCONNECT24 VendorMB connect line Affected 2 – 2.11.2 Fixed in — No fix listed CNA
- myREX24 VendorHelmholz Affected 2 – 2.11.2 Fixed in — No fix listed CNA
- myREX24.virtual VendorHelmholz Affected 2 – 2.11.2 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-2021-34574
- 2026-10-03 Alias added: GHSA-c4j8-5xv4-xcxh
- 2026-10-09 EPSS moved to the 50th–90th percentile
References
More MB connect line Mbconnect24 vulnerabilities
- TI-2026-25997 MB connect line mbCONNECT24 vulnerable to an unauthenticated SQL injection in the setinfo Endpoint CVSS 3.1CRITICAL 9.1
- TI-2020-08317 An issue was discovered in the MB CONNECT LINE mymbCONNECT24 and mbCONNECT24 software in… CVSS 3.1CRITICAL 9.8
- TI-2020-18072 An issue was discovered in MB CONNECT LINE mymbCONNECT24 and mbCONNECT24 through 2.6.2. CVSS 3.1CRITICAL 9.8
- TI-2020-08316 An issue was discovered in the MB CONNECT LINE mymbCONNECT24 and mbCONNECT24 software in… CVSS 3.1HIGH 8.8
- TI-2026-25995 MB connect line mbCONNECT24 vulnerable to RCE in generateSrpArray CVSS 3.1HIGH 8.8
- TI-2023-00934 Helmholz and MB Connect Line: Account takeover via password reset in multiple products CVSS 3.1HIGH 8.8
Sources
- CVE-2021-34574 · CVE Program
- CVE-2021-34574 · NVD
- FIRST EPSS
- GHSA-c4j8-5xv4-xcxh · 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