CVE-2022-26143
Severity CVSS v4.0:
Pending analysis
Type:
CWE-306
Missing Authentication for Critical Function
Publication date:
10/03/2022
Last modified:
03/11/2025
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.
Impact
Base Score 3.x
9.80
Severity 3.x
CRITICAL
Base Score 2.0
9.00
Severity 2.0
HIGH
Vulnerable products and versions
| CPE | From | Up to |
|---|---|---|
| cpe:2.3:a:mitel:micollab:*:*:*:*:*:-:*:* | 9.4 (excluding) | |
| cpe:2.3:a:mitel:micollab:9.4:-:*:*:*:-:*:* | ||
| cpe:2.3:a:mitel:micollab:9.4:sp1:*:*:*:-:*:* | ||
| cpe:2.3:a:mitel:mivoice_business_express:*:*:*:*:*:*:*:* | 8.1 (including) |
To consult the complete list of CPE names with products and versions, see this page
References to Advisories, Solutions, and Tools
- https://arstechnica.com/information-technology/2022/03/ddosers-use-new-method-capable-of-amplifying-traffic-by-a-factor-of-4-billion/
- https://blog.cloudflare.com/cve-2022-26143/
- https://news.ycombinator.com/item?id=30614073
- https://team-cymru.com/blog/2022/03/08/record-breaking-ddos-potential-discovered-cve-2022-26143/
- https://www.akamai.com/blog/security/phone-home-ddos-attack-vector
- https://www.mitel.com/en-ca/support/security-advisories/mitel-product-security-advisory-22-0001
- https://www.shadowserver.org/news/cve-2022-26143-tp240phonehome-reflection-amplification-ddos-attack-vector/
- https://arstechnica.com/information-technology/2022/03/ddosers-use-new-method-capable-of-amplifying-traffic-by-a-factor-of-4-billion/
- https://blog.cloudflare.com/cve-2022-26143/
- https://news.ycombinator.com/item?id=30614073
- https://team-cymru.com/blog/2022/03/08/record-breaking-ddos-potential-discovered-cve-2022-26143/
- https://www.akamai.com/blog/security/phone-home-ddos-attack-vector
- https://www.mitel.com/en-ca/support/security-advisories/mitel-product-security-advisory-22-0001
- https://www.shadowserver.org/news/cve-2022-26143-tp240phonehome-reflection-amplification-ddos-attack-vector/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26143



