mbCONNECT24: Use of Default Password
CVE-2026-60044 is a high-severity use of default password vulnerability in mbCONNECT24 from MB connect line, with a CVSS 3.1 base score of 7.5 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. The record lists version 2.21.0 as the first without the flaw, so updating mbCONNECT24 to that release or later removes the exposure. There is no confirmed exploitation so far. EPSS estimates a 0.3% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Update mbCONNECT24 to 2.21.0 or a later version.
- Update mymbCONNECT24 to 2.21.0 or a later version.
- Update myREX24V2 to 2.21.0 or a later version.
- Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| MB connect line | mbCONNECT24 | 2.0.0 up to, but not including, 2.21.0 | 2.21.0 |
| MB connect line | mymbCONNECT24 | 2.0.0 up to, but not including, 2.21.0 | 2.21.0 |
| Helmholz | myREX24V2 | 2.0.0 up to, but not including, 2.21.0 | 2.21.0 |
| Helmholz | myREX24V2.virtual | 2.0.0 up to, but not including, 2.21.0 | 2.21.0 |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- NoneNo account or login is needed.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- NoneNothing can be modified.
- Availability
- NoneAvailability is not affected.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. Scored by CNA (cert.vde.com).
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 4.0 | 8.7 | High | CNA (cert.vde.com) |
| CVSS 3.1 | 7.5 | High | CNA (cert.vde.com) |
Official description
The backups created by the application use a weak static password allowing an unauthenticated remote attacker to access their content. This can result in a total loss of confidentiality.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Use of Default Password
The product uses default passwords for potentially critical functionality.
How developers prevent this class of flaw
- Prohibit use of default, hard-coded, or other values that do not vary for each installation of the product - especially for separate organizations.
- Ensure that product documentation clearly emphasizes the presence of default passwords and provides steps for the administrator to change them.
- Force the administrator to change the credential upon installation.
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: yes, technical impact: partial).
- Record last changed materially (score, affected products, status or references).
References
Other vulnerabilities in mbCONNECT24
- 7.5 High severity
- 9.3 Critical severity
- 8.1 High severity
- 7.2 High severity
- 7.2 High severity
- 7.2 High severity
Recent Use of Default Password vulnerabilities
- 8.1 High severity
- 7.7 High severity
- 9.8 Critical severity
- 9.8 Critical severity
- 9.8 Critical severity
- 9.8 Critical severity
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