Vulnerability detail
Enriched intelligence for a single CVE
Critical
CVE-2022-26143
PUBLISHEDThe 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...
- Vendor
- Mitel
- Product
- MiCollab, MiVoice Business Express
- Published
- Mar 09, 2022
- EPSS
- —
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 scores
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:N/C:P/I:P/A:C
Exploitation status
Exploited in the wild
Recorded 2022-03-25 00:00:00 UTC · Source
SSVC decision points
- Exploitation
- active
- Automatable
- Yes
- Technical impact
- total
References
- https://www.mitel.com/en-ca/support/security-advisories/mitel-product-security-advisory-22-0001
- https://www.akamai.com/blog/security/phone-home-ddos-attack-vector
- https://www.shadowserver.org/news/cve-2022-26143-tp240phonehome-reflection-amplification-ddos-attack-vector/
- https://news.ycombinator.com/item?id=30614073
- https://blog.cloudflare.com/cve-2022-26143/
- https://team-cymru.com/blog/2022/03/08/record-breaking-ddos-potential-discovered-cve-2022-26143/
- https://arstechnica.com/information-technology/2022/03/ddosers-use-new-method-capable-of-amplifying-traffic-by-a-factor-of-4-billion/
Known exploited vulnerability sources
Catalogues that list this CVE as a known exploited vulnerability.
| Source | Added |
|---|---|
| CISA | Mar 25, 2022 |
Scanner integrations
| Scanner | Reference | Detected |
|---|---|---|
| Nuclei | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2022/CVE-2022-26143.yaml | Jun 01, 2026 |
Timeline
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CVE ID Reserved
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CVE Published to Public
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Added to KEVIntel
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Detected by Nuclei