CVE-2024-45273 json
MB connect line/Helmholz: Weak encryption of configuration file
published 2024-10-15 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-41406
- cvss
- 8.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.1%
- EPSS 0.1% chance of exploitation in 30 days, percentile 0%
- public exploits
- 0
- none known
Summary
An unauthenticated local attacker can decrypt the devices config file and therefore compromise the device due to a weak implementation of the encryption used.
Patch / fix
- helmholz myrex24_v2_virtual_server 2.16.3
- mbconnectline mbconnect24 2.16.3
- mbconnectline mymbconnect24 2.16.3
- mbconnectline mbnet.mini_firmware 2.3.1
- helmholz rex_200_firmware 8.2.1
- helmholz rex_250_firmware 8.2.1
- helmholz rex_100_firmware 2.3.1
- mbconnectline mbnet_firmware 8.2.1
- mbconnectline mbnet.rokey_firmware 8.2.1
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
0.09% chance of exploitation in the next 30 days, higher than 0% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.4 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
- MB connect line mbNET.mini
- MB connect line mbNET/mbNET.rokey
- MB connect line mbNET HW1
- MB connect line mbSPIDER
- MB connect line mbCONNECT24
- MB connect line mymbCONNECT24
- Helmholz REX100
- Helmholz REX200/250
- Helmholz myREX24 V2
- Helmholz myREX24.virtual
- Helmholz REX300
- mb_connect_line mbnet.mini
- mbconnectline mbnet_mbnet.rokey
- mbconnectline mbnet_hw1
- mbconnectline mbspider
- mbconnectline mbconnect24
- mbconnectline mymbconnect24
- helmholz rex_200
- helmholz rex250
- helmholz myrex24_v2
Classification
References
-
cert.vde.com
/en/advisories/VDE-2024-056
third-party-advisory
-
cert.vde.com
/en/advisories/VDE-2024-066
third-party-advisory
-
cert.vde.com
/en/advisories/VDE-2024-068
third-party-advisory
-
cert.vde.com
/en/advisories/VDE-2024-069
third-party-advisory
- syss.de /fileadmin/dokumente/Publikationen/Advisories/SYSS-2024-062.txt
Sources
- CVE List CVE-2024-45273
- NVD CVE-2024-45273
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.