CVE-2020-12527 - CVE House

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Status published Medium CVE-2020-12527

Improper Access Validation in products of MB connect line and Helmholz

6.5 CVSS

Vulnerability Description

An issue was discovered in MB connect line mymbCONNECT24, mbCONNECT24 and Helmholz myREX24 and myREX24.virtual in all versions through v2.11.2. Improper access validation allows a logged in user to shutdown or reboot devices in his account without having corresponding permissions.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

OTORIO reported the vulnerabilities to MB connect line. CERT@VDE coordinated.

References

More from MB connect line

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Unauthenticated Buffer Overflow in Conftool Service Leading to Denial of Service

SQL Injection via POST Requests Allowing Configuration Database Manipulation

Resource Exhaustion via POST Requests to send-mail Action

Affected Vendor

MB connect line

View all reports →

Affected Software

mymbCONNECT24, mbCONNECT24, myREX24, myREX24.virtual

Vulnerable Versions:

2.6.2, 2, 2.11.2

Timeline

Official Publish: March 2nd, 2021

Last Modified: September 16th, 2024

Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1078 Valid Accounts

T1098 Account Manipulation

Privilege Escalation

T1548 Abuse Elevation Control Mechanism

Privilege Escalation

T1222 File and Directory Permissions Modification

Defense Evasion

T1134 Access Token Manipulation

Defense Evasion