MEDIUM
CVE-2022-22520
CWE-204Published: September 14, 2022· Updated: Jun 17, 2026
5.3
CVSS v3.1
Official Description
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.
Technical Analysis
CVE-2022-22520 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected Vendors & Products
helmholz2 product(s)
myrex24myrex24.virtual
mbconnectline2 product(s)
mbconnect24mymbconnect24
Source: NVD CPE · 4 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (4)
→
https://cert.vde.com/en/advisories/VDE-2022-011Third Party Advisory · VDB Entry
→
https://cert.vde.com/en/advisories/VDE-2022-039Not Applicable
→
https://cert.vde.com/en/advisories/VDE-2022-011Third Party Advisory · VDB Entry
→
https://cert.vde.com/en/advisories/VDE-2022-039Not Applicable
Quick Facts
CVE IDCVE-2022-22520
CVSS Score5.3 / 10
SeverityMEDIUM
WeaknessCWE-204
CISA KEVNo
Affected2 vendor(s)
PublishedSep 14, 2022
Related CVEs (CWE-204)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2022-22520 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.