Vulnerability 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 Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mitel | Micollab | < 9.4 |
| Mitel | Mivoice Business Express | <= 8.1 |
Related Weaknesses (CWE)
References
- https://arstechnica.com/information-technology/2022/03/ddosers-use-new-method-caExploitPress/Media CoverageThird Party Advisory
- https://blog.cloudflare.com/cve-2022-26143/MitigationThird Party Advisory
- https://news.ycombinator.com/item?id=30614073Issue TrackingThird Party Advisory
- https://team-cymru.com/blog/2022/03/08/record-breaking-ddos-potential-discoveredBroken LinkMitigationThird Party Advisory
- https://www.akamai.com/blog/security/phone-home-ddos-attack-vectorMitigationThird Party Advisory
- https://www.mitel.com/en-ca/support/security-advisories/mitel-product-security-aVendor Advisory
- https://www.shadowserver.org/news/cve-2022-26143-tp240phonehome-reflection-ampliMitigationThird Party Advisory
- https://arstechnica.com/information-technology/2022/03/ddosers-use-new-method-caExploitPress/Media CoverageThird Party Advisory
- https://blog.cloudflare.com/cve-2022-26143/MitigationThird Party Advisory
- https://news.ycombinator.com/item?id=30614073Issue TrackingThird Party Advisory
- https://team-cymru.com/blog/2022/03/08/record-breaking-ddos-potential-discoveredBroken LinkMitigationThird Party Advisory
- https://www.akamai.com/blog/security/phone-home-ddos-attack-vectorMitigationThird Party Advisory
- https://www.mitel.com/en-ca/support/security-advisories/mitel-product-security-aVendor Advisory
- https://www.shadowserver.org/news/cve-2022-26143-tp240phonehome-reflection-ampliMitigationThird Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-US Government Resource
FAQ
What is CVE-2022-26143?
CVE-2022-26143 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 ...
How severe is CVE-2022-26143?
CVE-2022-26143 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2022-26143?
Check the references section above for vendor advisories and patch information. Affected products include: Mitel Micollab, Mitel Mivoice Business Express.