CVE-2022-22520 json
User enumeration vulnerability in MB connect line and Helmholz products
published 2022-09-14 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-27666
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 63%
- public exploits
- 0
- none known
Summary
A remote, unauthenticated attacker can enumerate valid users by sending specific requests to the webservice of MB connect line mymbCONNECT24, mbCONNECT24 and Helmholz myREX24 and myREX24.virtual in all versions through v2.11.2.
Exploit prediction
1.03% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
Affected products
- MB connect line mymbCONNECT24
- MB connect line mbCONNECT24
- Helmholz myREX24
- Helmholz myREX24.virtual
Classification
- Weakness
-
- CWE-204 Observable Response Discrepancy
References
-
cert.vde.com
/en/advisories/VDE-2022-039
not-applicable
-
cert.vde.com
/en/advisories/VDE-2022-011
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2022-22520
- NVD CVE-2022-22520
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.