CVE-2021-3176

Severity Score

8.0

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The chat window of the Mitel BusinessCTI Enterprise (MBC-E) Client for Windows before 6.4.15 and 7.x before 7.1.2 could allow an attacker to gain access to user information by sending certain code, due to improper input validation of http links. A successful exploit could allow an attacker to view user information and application data.

La ventana de chat de Mitel BusinessCTI Enterprise (MBC-E) Client para Windows versiones anteriores a 6.4.15 y versiones 7.x anteriores a 7.1.2, podría permitir a un atacante conseguir acceso a la información del usuario mediante el envío de determinado código, debido a una comprobación inapropiada de la entrada de enlaces http. Un explotación con éxito podría permitir a un atacante visualizar la información del usuario y los datos de la aplicación

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

Single

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-01-19 CVE Reserved
2021-01-29 CVE Published
2023-03-07 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-20: Improper Input Validation

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.mitel.com/support/security-advisories	2021-02-05
https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-21-0001	2021-02-05

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Mitel Search vendor "Mitel"		Businesscti Enterprise Search vendor "Mitel" for product "Businesscti Enterprise"				< 6.4.15 Search vendor "Mitel" for product "Businesscti Enterprise" and version " < 6.4.15"		windows		Affected
Mitel Search vendor "Mitel"		Businesscti Enterprise Search vendor "Mitel" for product "Businesscti Enterprise"				>= 7.0 < 7.1.2 Search vendor "Mitel" for product "Businesscti Enterprise" and version " >= 7.0 < 7.1.2"		windows		Affected