CRITICAL CISA KEV

CVE-2022-26143

CVSS v3

9.8

CRITICAL

EPSS Score

89.2%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

SSVC status

Description

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.

CISA Known Exploited Vulnerability

Date Added
3/25/2022
Patch Due Date
4/15/2022
Ransomware Use
Unknown

Technical details

Published
3/10/2022

Frequently asked questions

What is CVE-2022-26143?

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.

Is CVE-2022-26143 actively exploited?

Yes. CVE-2022-26143 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 4/15/2022.

What is the CVSS score for CVE-2022-26143?

CVE-2022-26143 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2022-26143 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.