CVE-2022-26143 is a critical vulnerability affecting the TP-240 component in Mitel MiCollab and MiVoice Business Express, allowing remote attackers to obtain sensitive information and cause denial of service. With a CVSS score of 9.8 (CRITICAL), it requires no authentication or user interaction, enabling high impact to confidentiality, integrity, and availability. This vulnerability has been actively exploited in the wild, notably in the TP240PhoneHome DDoS attack, and has garnered significant community and media attention, with Nuclei templates available for detection.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 9.4CPE matchmatch criteria | cpe:2.3:a:mitel:micollab:*:*:*:*:*:-:*:* | ||
9.4CPE matchmatch criteria | cpe:2.3:a:mitel:micollab:9.4:-:*:*:*:-:*:* | ||
9.4CPE matchmatch criteria | cpe:2.3:a:mitel:micollab:9.4:sp1:*:*:*:-:*:* | ||
<= 8.1CPE matchmatch criteria | cpe:2.3:a:mitel:mivoice_business_express:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.