CVE-2022-22520

MEDIUMNVD 5.37.5▲Trending — 3 sources updated this week

5.3

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.

CVSS v3: 5.3
EG Score: 7.5(medium)
EPSS: 53.5%
KEV: Not listed

Published

September 14, 2022

Last Modified

November 21, 2024

References (4)

info@certhttps://cert.vde.com/en/advisories/VDE-2022-011
info@certhttps://cert.vde.com/en/advisories/VDE-2022-039
af854a3a-2127-422b-91ae-364da2661108https://cert.vde.com/en/advisories/VDE-2022-011
af854a3a-2127-422b-91ae-364da2661108https://cert.vde.com/en/advisories/VDE-2022-039

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-204

Data Freshness Timeline

(refreshed 15× in last 7d / 15× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-25 15:30 UTCEG score recompute
2026-05-25 15:30 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2022-22520?

CVE-2022-22520 is a medium vulnerability published on September 14, 2022. 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.

When was CVE-2022-22520 disclosed?

CVE-2022-22520 was first published in the National Vulnerability Database on September 14, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-22520 actively exploited?

CVE-2022-22520 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 53.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-22520?

CVE-2022-22520 has a CVSS v3 base score of 5.3 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 7.5.

How do I remediate CVE-2022-22520?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-22520, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2022-22520

📅 Published

🔄 Last Modified

🔗 References (4)