// For flags

CVE-2023-0985

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

Severity Score

8.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track*
*SSVC
Descriptions

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.

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.

*Credits: Hussein Alsharafi
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:Track*
Exploitation
None
Automatable
No
Tech. Impact
Total
* Organization's Worst-case Scenario
Timeline
  • 2023-02-23 CVE Reserved
  • 2023-06-06 CVE Published
  • 2025-01-07 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-639: Authorization Bypass Through User-Controlled Key
CAPEC
References (1)
URL Tag Source
https://cert.vde.com/en/advisories/VDE-2023-002 Mitigation
URL Date SRC
URL Date SRC
URL Date SRC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Mbconnectline
Search vendor "Mbconnectline"
 Mbconnect24
Search vendor "Mbconnectline" for product "Mbconnect24"
 <= 2.13.3
Search vendor "Mbconnectline" for product "Mbconnect24" and version " <= 2.13.3"
-
Affected
Mbconnectline
Search vendor "Mbconnectline"
 Mymbconnect24
Search vendor "Mbconnectline" for product "Mymbconnect24"
 <= 2.13.3
Search vendor "Mbconnectline" for product "Mymbconnect24" and version " <= 2.13.3"
-
Affected