Loading vulnerability details…
CVSS v3.1
9.8
EPSS
87.21%
Published
Mar 10, 2022
Modified
Nov 3, 2025
CISA Known Exploited Vulnerability
Added: 2022-03-25 · Due: 2022-04-15
Apply updates per vendor instructions.
Public PoC / Exploit (2)
All weaponized →Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.
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.
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HWeaknesses (CWE)
Affected Products (4)
References (15)