CISA-confirmed known exploited vulnerability

CVE-2024-55550

Mitel MiCollab Path Traversal Vulnerability

Mitel · MiCollab

Vulnerability details

Mitel MiCollab contains a path traversal vulnerability that could allow an authenticated attacker with administrative privileges to read local files within the system due to insufficient input sanitization. This vulnerability can be chained with CVE-2024-41713, which allows an unauthenticated, remote attacker to read arbitrary files on the server.

Added to CISA KEV: 2025-01-07

Ransomware campaign use: Known

CISA due date: 2025-01-28

Defensive guidance from CISA

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.

Source catalog date: 2026-11-06T19:44:45.1797Z · Last retrieved: 2026-11-06 21:02:26 UTC

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