CVE-2020-35557

Improper Access Validation in products of MB connect line and Helmholz

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

An issue in MB connect line mymbCONNECT24, mbCONNECT24 and Helmholz myREX24 and myREX24.virtual in all versions through v2.11.2 allows a logged in user to see devices in the account he should not have access to due to improper use of access validation.

Se detectó un problema en MB CONNECT LINE mymbCONNECT24, mbCONNECT24 y Helmholz myREX24 y myREX24.virtual en todas las versiones hasta la v2.11.2 permite a un usuario conectado ver dispositivos en la cuenta a la que no debería tener acceso debido al uso incorrecto de la validación de acceso

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-12-18 CVE Reserved
2021-02-16 CVE Published
2024-07-24 EPSS Updated
2024-09-16 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-269: Improper Privilege Management

CAPEC

References (3)

URL	Tag	Source
https://cert.vde.com/en/advisories/VDE-2021-003	Third Party Advisory
https://cert.vde.com/en/advisories/VDE-2022-039	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://mbconnectline.com/security-advice	2023-02-10

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"				<= 2.11.2 Search vendor "Mbconnectline" for product "Mbconnect24" and version " <= 2.11.2"		-		Affected
Mbconnectline Search vendor "Mbconnectline"		Mymbconnect24 Search vendor "Mbconnectline" for product "Mymbconnect24"				<= 2.11.2 Search vendor "Mbconnectline" for product "Mymbconnect24" and version " <= 2.11.2"		-		Affected
Helmholz Search vendor "Helmholz"		Myrex24 Search vendor "Helmholz" for product "Myrex24"				<= 2.11.2 Search vendor "Helmholz" for product "Myrex24" and version " <= 2.11.2"		-		Affected
Helmholz Search vendor "Helmholz"		Myrex24.virtual Search vendor "Helmholz" for product "Myrex24.virtual"				<= 2.11.2 Search vendor "Helmholz" for product "Myrex24.virtual" and version " <= 2.11.2"		-		Affected