CVE-2023-1779mediumCWE-863

CVE-2023-1779: medium-severity vulnerability in mbCONNECT24

Helmholz and MB Connect Line: Account takeover via password reset in multiple products

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 4.3epss 0.5%
Exposure of Sensitive Information to an unauthorized actor vulnerability in MB Connect Lines mbCONNECT24, mymbCONNECT24 and Helmholz' myREX24 and myREX24.virtual in versions <=2.13.3 allow an authorized remote attacker with low privileges to view a limited amount of another accounts contact information.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Affected products
Helmholz · myREX24Helmholz · myREX24.virtualMB Connect Line · mbCONNECT24MB Connect Line · mymbCONNECT24
Related CVEs — mbCONNECT24

In the same product, most dangerous first.

CVE-2020-12527MEDIUMImproper Access Validation in products of MB connect line and HelmholzEPSS 1.0%CVE-2022-22520MEDIUMUser enumeration vulnerability in MB connect line and Helmholz productsEPSS 1.0%CVE-2023-0985HIGHHelmholz and MB Connect Line: Account takeover via password reset in multiple productsEPSS 0.8%CVE-2021-34574MEDIUMPassword policy evasion in products of MB connect line and HelmholzEPSS 0.7%CVE-2024-45272HIGHMB connect line/Helmholz: Generation of weak passwords vulnerabilityEPSS 0.6%CVE-2025-3092HIGHMB connect line: Observable response discrepancy in mbCONNECT24/mymbCONNECT24EPSS 0.5%