Vulnerability · Published Oct 27, 2021 · Assigned by CERTVDE
CVE-2021-34580Remote user enumeration in mymbCONNECT24, mbCONNECT24 <= 2.9.0
High 7.5
In plain English
A high-severity security flaw in mbCONNECT24 from MB connect line. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 64% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)1.0%top 35.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| MB connect line | mymbCONNECT24 | 2.9.0 – through 2.9.0 |
| MB connect line | mbCONNECT24 | 2.9.0 – through 2.9.0 |
Weakness: CWE-204 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
References
- https://cert.vde.com/en/advisories/VDE-2021-037/ x_refsource_CONFIRM