CVE-2022-26143: MiCollab, MiVoice Business Express Access Control Vulnerability
Critical · CVSS 9.8 (CVSS 3.1)KEV known exploitedEPSS 87.3%, 100th percentilePublished Updated Assigner: mitre
In CISA’s Known Exploited Vulnerabilities catalog: MiCollab, MiVoice Business Express Access Control Vulnerability.
Added , federal remediation due . Known ransomware use: Unknown.
Required action: Apply updates per vendor instructions.
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.
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
Mitel: MiCollab, MiVoice Business Express
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- arstechnica.com/information-technology/2022/03/ddosers-use-new-method-capable-of-ampl… (opens in new tab)
- blog.cloudflare.com/cve-2022-26143/ (opens in new tab)
- news.ycombinator.com/item (opens in new tab)
- team-cymru.com/blog/2022/03/08/record-breaking-ddos-potential-discovered-cve-2022-26… (opens in new tab)
- www.akamai.com/blog/security/phone-home-ddos-attack-vector (opens in new tab)
- www.mitel.com/en-ca/support/security-advisories/mitel-product-security-advisory-22-… (opens in new tab)
- www.shadowserver.org/news/cve-2022-26143-tp240phonehome-reflection-amplification-ddos-atta… (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)