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
- 2022-03-25
- Patch Due Date
- 2022-04-15
- Ransomware Use
- Unknown
Technical details
- Published
- 2022-03-10
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 2022-04-15.
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?
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