ghsa-xh7f-2c8g-37p4
Vulnerability from github
Published
2022-03-11 00:02
Modified
2025-10-22 00:32
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details

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.

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{
  "affected": [],
  "aliases": [
    "CVE-2022-26143"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-306",
      "CWE-863"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-03-10T17:47:00Z",
    "severity": "CRITICAL"
  },
  "details": "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.",
  "id": "GHSA-xh7f-2c8g-37p4",
  "modified": "2025-10-22T00:32:30Z",
  "published": "2022-03-11T00:02:03Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-26143"
    },
    {
      "type": "WEB",
      "url": "https://arstechnica.com/information-technology/2022/03/ddosers-use-new-method-capable-of-amplifying-traffic-by-a-factor-of-4-billion"
    },
    {
      "type": "WEB",
      "url": "https://blog.cloudflare.com/cve-2022-26143"
    },
    {
      "type": "WEB",
      "url": "https://news.ycombinator.com/item?id=30614073"
    },
    {
      "type": "WEB",
      "url": "https://team-cymru.com/blog/2022/03/08/record-breaking-ddos-potential-discovered-cve-2022-26143"
    },
    {
      "type": "WEB",
      "url": "https://www.akamai.com/blog/security/phone-home-ddos-attack-vector"
    },
    {
      "type": "WEB",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26143"
    },
    {
      "type": "WEB",
      "url": "https://www.mitel.com/en-ca/support/security-advisories/mitel-product-security-advisory-22-0001"
    },
    {
      "type": "WEB",
      "url": "https://www.shadowserver.org/news/cve-2022-26143-tp240phonehome-reflection-amplification-ddos-attack-vector"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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