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Vulnerability · Published Jun 6, 2023 · Assigned by CERTVDE

CVE-2023-0985Helmholz and MB Connect Line: Account takeover via password reset in multiple products

High 8.8

In plain English

A high-severity authorization bypass via user-controlled key in myREX24 from Helmholz. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 57% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.8%top 43.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

An Authorization Bypass vulnerability was found in MB Connect Lines mbCONNECT24, mymbCONNECT24 and Helmholz' myREX24 and myREX24.virtual version <= 2.13.3. An authenticated remote user with low privileges can change the password of any user in the same account. This allows to take over the admin user and therefore fully compromise the account.

Affected products (as reported)

VendorProductVersions
MB Connect Line mbCONNECT24 1.0.0 – through 2.13.3
MB Connect Line mymbCONNECT24 1.0.0 – through 2.13.3
Helmholz myREX24 0 – through 2.13.3
Helmholz myREX24.virtual 0 – through 2.13.3

Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References