CVE-2022-26143: Mitel MiCollab - Information Disclosure & Denial of Service

2025-08-01 Mitel MiCollab PoC Public

Description

Mitel MiCollab before 9.4 SP1 FP1 and MiVoice Business Express through 8.1 contain a vulnerability in the TP-240 component caused by improper handling, letting remote attackers obtain sensitive information and cause denial of service, exploit requires remote access.

PoC

id: CVE-2022-26143

info:
  name: Mitel MiCollab - Information Disclosure & Denial of Service
  author: theamanrawat
  severity: critical
  description: |
    Mitel MiCollab before 9.4 SP1 FP1 and MiVoice Business Express through 8.1 contain a vulnerability in the TP-240 component caused by improper handling, letting remote attackers obtain sensitive information and cause denial of service, exploit requires remote access.
  impact: |
    Attackers can retrieve sensitive information and cause performance degradation or denial of service, including DDoS attacks.
  remediation: |
    Update to version 9.4 SP1 FP1 or later for MiCollab, and latest version for MiVoice Business Express.
  reference:
    - https://nvd.nist.gov/vuln/detail/CVE-2022-26143
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2022-26143
    epss-score: 0.87325
    epss-percentile: 0.99752
    cwe-id: CWE-306
    cpe: cpe:2.3:a:mitel:micollab:9.4:-:*:*:*:-:*:*
  metadata:
    verified: true
    shodan-query: html:"MiCollab End User Portal"
    max-request: 1
  tags: cve,cve2022,mitel,micollab,kev,passive,vkev,vuln

http:
  - raw:
      - |
        GET /ucs/micollab/version.json HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
          - 'contains(body, "\"version\":")'
          - 'compare_versions(version, "< 9.4.0")'
        condition: and

    extractors:
      - type: json
        name: version
        json:
          - '.version'
# digest: 4b0a00483046022100ece9e3283d7e4ea38b6e058739016ad2e344ae1acfc002e164babb9e1dbe7960022100ed0607f733085f40122f84a1f93b7cb14f9728d5950e119e1ba2adedb4bcb1eb:922c64590222798bb761d5b6d8e72950

# Visit https://trap.biu.life/ to view exploit trends for this vulnerability.

References

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