CVE-2022-26143

MiCollab, MiVoice Business Express Access Control Vulnerability

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

Yes

*KEV

Decision

*SSVC

Descriptions

The TP-240 (aka tp240dvr) component in Mitel MiCollab before 9.4 SP1 FP1 and MiVoice Business Express through 8.1 allows remote attackers to obtain sensitive information and cause a denial of service (performance degradation and excessive outbound traffic). This was exploited in the wild in February and March 2022 for the TP240PhoneHome DDoS attack.

El componente TP-240 (también conocido como tp240dvr) en Mitel MiCollab versiones anteriores a 9.4 SP1 FP1 y MiVoice Business Express versiones hasta 8.1, permite a atacantes remotos obtener información confidencial y causar una denegación de servicio (degradación del rendimiento y tráfico saliente excesivo). Esto fue explotado "in the wild" en febrero y marzo de 2022 para el ataque DDoS TP240PhoneHome

A vulnerability has been identified in MiCollab and MiVoice Business Express that may allow a malicious actor to gain unauthorized access to sensitive information and services, cause performance degradations or a denial of service condition on the affected system.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-02-26 CVE Reserved
2022-03-09 CVE Published
2022-03-25 Exploited in Wild
2022-04-15 KEV Due Date
2024-08-03 CVE Updated
2024-08-03 First Exploit
2024-10-13 EPSS Updated

CWE

CWE-306: Missing Authentication for Critical Function

CAPEC

References (7)

URL	Tag	Source
https://blog.cloudflare.com/cve-2022-26143	Mitigation
https://news.ycombinator.com/item?id=30614073	Issue Tracking
https://team-cymru.com/blog/2022/03/08/record-breaking-ddos-potential-discovered-cve-2022-26143	Mitigation
https://www.akamai.com/blog/security/phone-home-ddos-attack-vector	Mitigation
https://www.shadowserver.org/news/cve-2022-26143-tp240phonehome-reflection-amplification-ddos-attack-vector	Mitigation

URL	Date	SRC
https://arstechnica.com/information-technology/2022/03/ddosers-use-new-method-capable-of-amplifying-traffic-by-a-factor-of-4-billion	2024-08-03

URL	Date	SRC

URL	Date	SRC
https://www.mitel.com/en-ca/support/security-advisories/mitel-product-security-advisory-22-0001	2023-08-08

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Mitel Search vendor "Mitel"		Micollab Search vendor "Mitel" for product "Micollab"				< 9.4 Search vendor "Mitel" for product "Micollab" and version " < 9.4"		-		Affected
Mitel Search vendor "Mitel"		Micollab Search vendor "Mitel" for product "Micollab"				9.4 Search vendor "Mitel" for product "Micollab" and version "9.4"		-		Affected
Mitel Search vendor "Mitel"		Micollab Search vendor "Mitel" for product "Micollab"				9.4 Search vendor "Mitel" for product "Micollab" and version "9.4"		sp1		Affected
Mitel Search vendor "Mitel"		Mivoice Business Express Search vendor "Mitel" for product "Mivoice Business Express"				<= 8.1 Search vendor "Mitel" for product "Mivoice Business Express" and version " <= 8.1"		-		Affected