Vulnerability-Lookup

GHSA-XH7F-2C8G-37P4

Vulnerability from github – Published: 2022-03-11 00:02 – Updated: 2025-10-22 00:32

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.

Severity

9.8 (Critical)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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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"
    }
  ]
}

CVE-2022-26143 (GCVE-0-2022-26143)

Vulnerability from cvelistv5 – Published: 2022-03-09 15:32 – Updated: 2025-10-21 23:15

Summary

Severity

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: active Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-01-29 16:38 UTC

CWE

n/a
CWE-306 - Missing Authentication for Critical Function

Assigner

mitre mitre root

References

8 references

URL	Tags
https://www.mitel.com/en-ca/support/security-advi…	x_refsource_MISC
https://www.akamai.com/blog/security/phone-home-d…	x_refsource_MISC
https://www.shadowserver.org/news/cve-2022-26143-…	x_refsource_MISC
https://news.ycombinator.com/item?id=30614073	x_refsource_MISC
https://blog.cloudflare.com/cve-2022-26143/	x_refsource_MISC
https://team-cymru.com/blog/2022/03/08/record-bre…	x_refsource_MISC
https://arstechnica.com/information-technology/20…	x_refsource_MISC
https://www.cisa.gov/known-exploited-vulnerabilit…	government-resource

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        "metrics": [
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              "confidentialityImpact": "HIGH",
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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.