CVE-2024-55550: Mitel MiCollab Path Traversal Vulnerability

CVE-2024-55550 · Severity: critical · CVSS 4.4 · Exploited in the wild · Published 2025-01-07

Mitel MiCollab contains a path traversal vulnerability due to insufficient input sanitization. An authenticated attacker with administrative privileges can exploit this to read local files, potentially accessing non-sensitive system information or resources constrained to the admin level.

Technologies: Mitel MiCollab, Mitel MiVoice Business Express. Vendors: Mitel.

Quick answers

Is CVE-2024-55550 exploited in the wild?
Yes. CVE-2024-55550 is known to be exploited in the wild, first recorded on 7 January 2025. Treat it as urgent.
How severe is CVE-2024-55550?
Critical severity, with a CVSS score of 4.4, published 7 January 2025.
Which products and versions are affected?
Mitel MiCollab through 9.8 SP2 (up to and including 9.8.1.201).
Is there a fix for CVE-2024-55550?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2024-55550 attacked?
It is attacked over the network or with local access, in a network appliance.
Am I affected by CVE-2024-55550?
Check whether you run Mitel MiCollab or Mitel MiVoice Business Express. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Mitel MiCollab through 9.8 SP2 (up to and including 9.8.1.201)

Timeline

  • 2024-12-10: disclosed: Initial NVD publication and vendor advisory release.
  • 2025-01-07: kev added: Added to CISA Known Exploited Vulnerabilities (KEV) catalog.
  • 2025-01-07: exploited: Confirmed as exploited in the wild by CISA.

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