CVE-2024-23943

criticalpriority · track · 0OT risk · elevatedEPSS 0.006 · 48 %ileDEEU
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
0.58% (48th) EPSS
CVSS 9.1 · critical
Is it mine?
20 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · helmholz_psirt · mb_connect_line_psirt

EPSS · scored 2026-10-27

An unauthenticated remote attacker can gain access to the cloud API due to a lack of authentication for a critical function in the affected devices. Availability is not affected.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • Fixedmb_connect_line_psirt

    Update to latest version: 2.16.2 CVE-2024-23943: This fix does not apply to mbNET/mbNET.rokey devices with firmware 8.0.0 - 8.1.3. If you are using a device with this firmware, please update it to >= 8.2.0.

  • Fixedhelmholz_psirt

    Update to latest version: 2.16.2 CVE-2024-23943: This fix does not apply to REX 200/REX 250 devices with firmware 8.0.0 - 8.1.3. If you are using a device with this firmware, please update it to >= 8.2.0.

02

cvss

Technical severity, 0–10. One row per scoring source.

9.1
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.3–9.1

v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Nsecondary · ENISA EU
v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Nsecondary · info@cert.vde.comexploitability 3.9 · impact 5.2
v3.18.3highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)
v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Nsecondary · Helmholz PSIRT
v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Nsecondary · MB connect line PSIRT
03

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-306USCWE-306USCWE-306US
05

affected products (20)

Products and version ranges known to be affected.

06

advisories (2)

Vendor and ecosystem advisories describing this.

  • VDE-2024-010Vulnerabilities in mbCONNECT24/mymbCONNECT242025-03-18csaf · mb_connect_line_psirtDE

    The data24 service that is bundled with every installation of mbCONNECT24/mymbCONNECT24 has two serious flaws in core components. These combined can lead to a complete loss of confidentiality, integrity and availability.

  • VDE-2024-031Helmholz: Vulnerabilities in myREX24 V2/myREX24.virtual2025-03-18csaf · helmholz_psirtDE

    The data24 service that is bundled with every installation of myREX24 V2/myREX24.virtual has two serious flaws in core components. These combined can lead to a complete loss of confidentiality, integrity and availability.

07

also known as (3)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

cnnvdenisa_euvdhelmholz_psirtmb_connect_line_psirtNVDCVE.orgMITRE
published 2025-03-18modified 2026-06-17
09

references (5)

External citations — patches, advisories, analysis.

scry

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