What’s Vulnerable › Vulnerabilities
CVE-2021-34580: Remote user enumeration in mymbCONNECT24, mbCONNECT24 <= 2.9.0
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.0% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2021-10-27 · updated 2026-06-17
- Weakness: CWE-204
Description
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.
Affected products
- MB connect line mbCONNECT24: through 2.9.0
- MB connect line mymbCONNECT24: through 2.9.0
References
Get alerted when CVE-2021-34580 or the next vulnerability affects your stack