CVE-2024-45273

MB connect line/Helmholz: Weak encryption of configuration file

Published Oct 15, 2024 CVSS 3.1 · 8.4 High EPSS < 1% KEV · Not listed

Description

An unauthenticated local attacker can decrypt the devices config file and therefore compromise the device due to a weak implementation of the encryption used.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

MB connect line

mbNET.mini

unaffected

Version	Status	Constraints
`0.0.0`	affected	≤ 2.2.13

MB connect line

mbNET/mbNET.rokey

unaffected

Version	Status	Constraints
`0.0.0`	affected	≤ 8.2.0

MB connect line

mbNET HW1

unaffected

Version	Status	Constraints
`0.0.0`	affected	≤ 5.1.11

MB connect line

mbSPIDER

unaffected

Version	Status	Constraints
`0.0.0`	affected	≤ 2.6.5

MB connect line

mbCONNECT24

unaffected

Version	Status	Constraints
`0.0.0`	affected	≤ 2.16.2

MB connect line

mymbCONNECT24

unaffected

Version	Status	Constraints
`0.0.0`	affected	≤ 2.16.2

Helmholz

REX100

unaffected

Version	Status	Constraints
`0.0.0`	affected	≤ <= 2.2.13

Helmholz

REX200/250

unaffected

Version	Status	Constraints
`0.0.0`	affected	≤ <= 8.2.0

Helmholz

myREX24 V2

unaffected

Version	Status	Constraints
`0.0.0`	affected	≤ <= 2.16.2

Helmholz

myREX24.virtual

unaffected

Version	Status	Constraints
`0.0.0`	affected	≤ <= 2.16.2

Helmholz

REX300

unaffected

Version	Status	Constraints
`0.0.0`	affected	≤ <= 5.1.11

Configuration 1 [-]

AND

cpe:2.3:o:mbconnectline:mbnet.mini_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:mbconnectline:mbnet.mini:-:*:*:*:*:*:*:*

Configuration 2 [-]

cpe:2.3:a:helmholz:myrex24_v2_virtual_server:*:*:*:*:*:*:*:*

Configuration 3 [-]

AND

cpe:2.3:o:helmholz:rex_300_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:helmholz:rex_300:-:*:*:*:*:*:*:*

Configuration 4 [-]

AND

cpe:2.3:o:helmholz:rex_200_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:helmholz:rex_200:-:*:*:*:*:*:*:*

Configuration 5 [-]

AND

cpe:2.3:o:helmholz:rex_250_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:helmholz:rex_250:-:*:*:*:*:*:*:*

Configuration 6 [-]

AND

cpe:2.3:o:helmholz:rex_100_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:helmholz:rex_100:-:*:*:*:*:*:*:*

Configuration 7 [-]

OR	cpe:2.3:a:mbconnectline:mbconnect24::::::::
	cpe:2.3:a:mbconnectline:mymbconnect24::::::::

Configuration 8 [-]

AND

cpe:2.3:o:mbconnectline:mbspider_mdh_905_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:mbconnectline:mbspider_mdh_905:-:*:*:*:*:*:*:*

Configuration 9 [-]

AND

cpe:2.3:o:mbconnectline:mbspider_mdh_915_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:mbconnectline:mbspider_mdh_915:-:*:*:*:*:*:*:*

Configuration 10 [-]

AND

cpe:2.3:o:mbconnectline:mbspider_mdh_906_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:mbconnectline:mbspider_mdh_906:-:*:*:*:*:*:*:*

Configuration 11 [-]

AND

cpe:2.3:o:mbconnectline:mbspider_mdh_916_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:mbconnectline:mbspider_mdh_916:-:*:*:*:*:*:*:*

Configuration 12 [-]

AND

cpe:2.3:o:mbconnectline:mbnet_hw1_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:mbconnectline:mbnet_hw1:-:*:*:*:*:*:*:*

Configuration 13 [-]

AND

cpe:2.3:o:mbconnectline:mbnet_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:mbconnectline:mbnet:-:*:*:*:*:*:*:*

Configuration 14 [-]

AND

cpe:2.3:o:mbconnectline:mbnet.rokey_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:mbconnectline:mbnet.rokey:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Advisories

Source	ID	Title
EUVD	EUVD-2024-41406	An unauthenticated local attacker can decrypt the devices config file and therefore compromise the device due to a weak implementation of the encryption used.

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.093% probability within 30 days)

Exploitation none

Automatable no

Technical Impact total

References

Link	Providers
https://cert.vde.com/en/advisories/VDE-2024-056
https://cert.vde.com/en/advisories/VDE-2024-066
https://cert.vde.com/en/advisories/VDE-2024-068
https://cert.vde.com/en/advisories/VDE-2024-069
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2024-062.txt

History

Jul 11, 2025 1:45 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics	epss `{'score': 0.00015}`	epss `{'score': 0.0002}`

Nov 22, 2024 12:00 PM Added references View changes

Type	Values Removed	Values Added
References		https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2024-062.txt

Oct 17, 2024 6:00 PM First appearance in the feed. Weaknesses updated. Affected versions updated. Affected vendors updated View changes

Type	Values Removed	Values Added
First Time appeared		Helmholz myrex24 V2 Virtual Server Helmholz rex 100 Helmholz rex 100 Firmware Helmholz rex 200 Firmware Helmholz rex 250 Helmholz rex 250 Firmware Helmholz rex 300 Helmholz rex 300 Firmware Mbconnectline mbnet Mbconnectline mbnet.mini Mbconnectline mbnet.mini Firmware Mbconnectline mbnet.rokey Mbconnectline mbnet.rokey Firmware Mbconnectline mbnet Firmware Mbconnectline mbnet Hw1 Firmware Mbconnectline mbspider Mdh 905 Mbconnectline mbspider Mdh 905 Firmware Mbconnectline mbspider Mdh 906 Mbconnectline mbspider Mdh 906 Firmware Mbconnectline mbspider Mdh 915 Mbconnectline mbspider Mdh 915 Firmware Mbconnectline mbspider Mdh 916 Mbconnectline mbspider Mdh 916 Firmware
Weaknesses		CWE-326
CPEs		cpe:2.3:a:helmholz:myrex24_v2_virtual_server:::::::: cpe:2.3:a:mbconnectline:mbconnect24:::::::: cpe:2.3:a:mbconnectline:mymbconnect24:::::::: cpe:2.3:h:helmholz:rex_100:-:::::::* cpe:2.3:h:helmholz:rex_250:-:::::::* cpe:2.3:h:helmholz:rex_300:-:::::::* cpe:2.3:h:mbconnectline:mbnet.mini:-:::::::* cpe:2.3:h:mbconnectline:mbnet.rokey:-:::::::* cpe:2.3:h:mbconnectline:mbnet:-:::::::* cpe:2.3:h:mbconnectline:mbnet_hw1:-:::::::* cpe:2.3:h:mbconnectline:mbspider_mdh_905:-:::::::* cpe:2.3:h:mbconnectline:mbspider_mdh_906:-:::::::* cpe:2.3:h:mbconnectline:mbspider_mdh_915:-:::::::* cpe:2.3:h:mbconnectline:mbspider_mdh_916:-:::::::* cpe:2.3:o:helmholz:rex_100_firmware:::::::: cpe:2.3:o:helmholz:rex_200_firmware:::::::: cpe:2.3:o:helmholz:rex_250_firmware:::::::: cpe:2.3:o:helmholz:rex_300_firmware:::::::: cpe:2.3:o:mbconnectline:mbnet.mini_firmware:::::::: cpe:2.3:o:mbconnectline:mbnet.rokey_firmware:::::::: cpe:2.3:o:mbconnectline:mbnet_firmware:::::::: cpe:2.3:o:mbconnectline:mbnet_hw1_firmware:::::::: cpe:2.3:o:mbconnectline:mbspider_mdh_905_firmware:::::::: cpe:2.3:o:mbconnectline:mbspider_mdh_906_firmware:::::::: cpe:2.3:o:mbconnectline:mbspider_mdh_915_firmware:::::::: cpe:2.3:o:mbconnectline:mbspider_mdh_916_firmware::::::::
Vendors & Products		Helmholz myrex24 V2 Virtual Server Helmholz rex 100 Helmholz rex 100 Firmware Helmholz rex 200 Firmware Helmholz rex 250 Helmholz rex 250 Firmware Helmholz rex 300 Helmholz rex 300 Firmware Mbconnectline mbnet Mbconnectline mbnet.mini Mbconnectline mbnet.mini Firmware Mbconnectline mbnet.rokey Mbconnectline mbnet.rokey Firmware Mbconnectline mbnet Firmware Mbconnectline mbnet Hw1 Firmware Mbconnectline mbspider Mdh 905 Mbconnectline mbspider Mdh 905 Firmware Mbconnectline mbspider Mdh 906 Mbconnectline mbspider Mdh 906 Firmware Mbconnectline mbspider Mdh 915 Mbconnectline mbspider Mdh 915 Firmware Mbconnectline mbspider Mdh 916 Mbconnectline mbspider Mdh 916 Firmware

Oct 15, 2024 7:15 PM First appearance in the feed. Affected versions updated. Affected vendors updated. Scoring metrics updated View changes

Type	Values Removed	Values Added
First Time appeared		Helmholz Helmholz myrex24.virtual Helmholz myrex24 V2 Helmholz rex100 Helmholz rex250 Helmholz rex300 Helmholz rex 200 Mb Connect Line Mb Connect Line mbnet.mini Mbconnectline Mbconnectline mbconnect24 Mbconnectline mbnet Hw1 Mbconnectline mbnet Mbnet.rokey Mbconnectline mbspider Mbconnectline mymbconnect24
CPEs		cpe:2.3:a:helmholz:myrex24.virtual:::::::: cpe:2.3:a:helmholz:myrex24_v2:::::::: cpe:2.3:a:helmholz:rex100:::::::: cpe:2.3:a:helmholz:rex250:::::::: cpe:2.3:a:helmholz:rex300:::::::: cpe:2.3:a:mb_connect_line:mbnet.mini:::::::: cpe:2.3:a:mbconnectline:mbconnect24:-:::::::* cpe:2.3:a:mbconnectline:mbnet_hw1:::::::: cpe:2.3:a:mbconnectline:mbnet_mbnet.rokey:::::::: cpe:2.3:a:mbconnectline:mbspider:::::::: cpe:2.3:a:mbconnectline:mymbconnect24:-:::::::* cpe:2.3:h:helmholz:rex_200:-:::::::*
Vendors & Products		Helmholz Helmholz myrex24.virtual Helmholz myrex24 V2 Helmholz rex100 Helmholz rex250 Helmholz rex300 Helmholz rex 200 Mb Connect Line Mb Connect Line mbnet.mini Mbconnectline Mbconnectline mbconnect24 Mbconnectline mbnet Hw1 Mbconnectline mbnet Mbnet.rokey Mbconnectline mbspider Mbconnectline mymbconnect24
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Oct 15, 2024 10:45 AM Description updated. Title updated. Weaknesses updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
Description		An unauthenticated local attacker can decrypt the devices config file and therefore compromise the device due to a weak implementation of the encryption used.
Title		MB connect line/Helmholz: Weak encryption of configuration file
Weaknesses		CWE-261
References		https://cert.vde.com/en/advisories/VDE-2024-056 https://cert.vde.com/en/advisories/VDE-2024-066 https://cert.vde.com/en/advisories/VDE-2024-068 https://cert.vde.com/en/advisories/VDE-2024-069
Metrics		cvssV3_1 `{'score': 8.4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}`

Subscriptions

Helmholz Myrex24.virtual Myrex24 V2 Myrex24 V2 Virtual Server Rex100 Rex250 Rex300 Rex 100 Rex 100 Firmware Rex 200 Rex 200 Firmware Rex 250 Rex 250 Firmware Rex 300 Rex 300 Firmware

Mb Connect Line Mbnet.mini

Mbconnectline Mbconnect24 Mbnet Mbnet.mini Mbnet.mini Firmware Mbnet.rokey Mbnet.rokey Firmware Mbnet Firmware Mbnet Hw1 Mbnet Hw1 Firmware Mbnet Mbnet.rokey Mbspider Mbspider Mdh 905 Mbspider Mdh 905 Firmware Mbspider Mdh 906 Mbspider Mdh 906 Firmware Mbspider Mdh 915 Mbspider Mdh 915 Firmware Mbspider Mdh 916 Mbspider Mdh 916 Firmware Mymbconnect24

Weaknesses