CVE-2021-34580: Remote user enumeration in mymbCONNECT24, mbCONNECT24 <= 2.9.0
First published: Wed Oct 27 2021(Updated: )
In mymbCONNECT24, mbCONNECT24 <= 2.9.0 an unauthenticated user can enumerate valid backend users by checking what kind of response the server sends for crafted invalid login attempts.
Credit: info@cert.vde.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mbconnectline Mbconnect24 | <=2.9.0 | |
| Mbconnectline Mymbconnect24 | <=2.9.0 |
Remedy
Update to version 2.10.1
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2021-34580.
What is the severity of CVE-2021-34580?
The severity of CVE-2021-34580 is high with a CVSS score of 7.5.
What is the affected software for CVE-2021-34580?
The affected software for CVE-2021-34580 is mbCONNECT24 <= 2.9.0.
How can an unauthenticated user exploit CVE-2021-34580?
An unauthenticated user can exploit CVE-2021-34580 by checking the response the server sends for crafted invalid login attempts to enumerate valid backend users.
Is there a fix available for CVE-2021-34580?
Yes, it is recommended to update to a version higher than 2.9.0 to mitigate the vulnerability.
- collector/nvd-index
- agent/weakness
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/remedy
- agent/author
- agent/severity
- agent/title
- agent/last-modified-date
- agent/references
- agent/tags
- agent/first-publish-date
- agent/description
- agent/event
- vendor/mbconnectline
- canonical/mbconnectline mbconnect24
- version/mbconnectline mbconnect24/2.9.0
- canonical/mbconnectline mymbconnect24
- version/mbconnectline mymbconnect24/2.9.0