title: Helmholz and MB Connect Line: Account takeover via password reset in multiple products
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.
problem types: CWE-639 Authorization Bypass Through User-Controlled Key
affected:
{
defaultStatus: unaffected
product: mbCONNECT24
vendor: MB Connect Line
versions:
lessThanOrEqual: 2.13.3, status: affected, version: 1.0.0, versionType: semver
}
{
defaultStatus: unaffected
product: mymbCONNECT24
vendor: MB Connect Line
versions:
lessThanOrEqual: 2.13.3, status: affected, version: 1.0.0, versionType: semver
}
{
defaultStatus: unaffected
product: myREX24
vendor: Helmholz
versions:
lessThanOrEqual: 2.13.3, status: affected, version: 0, versionType: semver
}
{
defaultStatus: unaffected
product: myREX24.virtual
vendor: Helmholz
versions:
lessThanOrEqual: 2.13.3, status: affected, version: 0, versionType: semver
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 8.8
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
version: 3.1
]
format: CVSS
scenarios: GENERAL