Helmholz and MB Connect Line: Account takeover via password reset in multiple products
Priority MEDIUM 41CWE-639Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-639.
Summary
An Authorization Bypass vulnerability was found in MB Connect Lines mbCONNECT24, mymbCONNECT24 and Helmholz' myREX24 and myREX24.virtual version <= 2.13.3. An authenticated remote user with low privileges can change the password of any user in the same account. This allows to take over the admin user and therefore fully compromise the account.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00794 56th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| MB connect line | mbCONNECT24 | 1.0.0 – 2.13.3 | — | No fix listed | CNA |
| MB connect line | mymbCONNECT24 | 1.0.0 – 2.13.3 | — | No fix listed | CNA |
| Helmholz | myREX24 | up to 2.13.3 | — | No fix listed | CNA |
| Helmholz | myREX24.virtual | up to 2.13.3 | — | No fix listed | CNA |
- mbCONNECT24 VendorMB connect line Affected 1.0.0 – 2.13.3 Fixed in — No fix listed CNA
- mymbCONNECT24 VendorMB connect line Affected 1.0.0 – 2.13.3 Fixed in — No fix listed CNA
- myREX24 VendorHelmholz Affected up to 2.13.3 Fixed in — No fix listed CNA
- myREX24.virtual VendorHelmholz Affected up to 2.13.3 Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mbconnectline:mbconnect24:*:*:*:*:*:*:*:* | up to 2.13.3 | Vulnerable | MB connect line |
| cpe:2.3:a:mbconnectline:mymbconnect24:*:*:*:*:*:*:*:* | up to 2.13.3 | Vulnerable | MB connect line |
- cpe:2.3:a:mbconnectline:mbconnect24:*:*:*:*:*:*:*:* Versions up to 2.13.3 Vulnerable ·MB connect line
- cpe:2.3:a:mbconnectline:mymbconnect24:*:*:*:*:*:*:*:* Versions up to 2.13.3 Vulnerable ·MB connect line
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-0985
- 2026-10-03 Alias added: GHSA-xrvf-m29v-829x
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-2024-30344 MB connect line/Helmholz: Generation of weak passwords vulnerability CVSS 3.1HIGH 7.5
Sources
- CVE-2023-0985 · CVE Program
- CVE-2023-0985 · NVD
- FIRST EPSS
- GHSA-xrvf-m29v-829x · GitHub Advisory Database · CC BY 4.0
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