VULNERABILITY INTELLIGENCE
CVE-2022-26143
CVSS score9.8 CRITICAL
EPSS probability87.33%
CISA KEVKnown exploited vulnerability
Published2022-03-10
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Known Exploited Vulnerability
MiCollab, MiVoice Business Express Access Control Vulnerability
Vendor / product: Mitel / MiCollab, MiVoice Business Express
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.
Weakness classification
- nvd@nist.gov: CWE-306
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-306
Primary references
- cve@mitre.org — Exploit, Press/Media Coverage, Third Party Advisory
- cve@mitre.org — Mitigation, Third Party Advisory
- cve@mitre.org — Issue Tracking, Third Party Advisory
- cve@mitre.org — Broken Link, Mitigation, Third Party Advisory
- cve@mitre.org — Mitigation, Third Party Advisory
- cve@mitre.org — Vendor Advisory
- cve@mitre.org — Mitigation, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Press/Media Coverage, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mitigation, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Broken Link, Mitigation, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mitigation, Third Party Advisory