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CVE-2024-55550: Mitel MiCollab Path Traversal Vulnerability

criticalknown exploitedpublic exploitCVE-2024-55550
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
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.

CSIRTS triage

vendor: Mitelproduct: MiCollabPath traversal
What
Mitel MiCollab contains a path traversal vulnerability that could allow an authenticated attacker to read local files within the system.
Who is affected
Authenticated users with administrative privileges on Mitel MiCollab.
Urgency
Remediation is urgent as the vulnerability is actively exploited and critical in severity.
Action
Implement the recommended security updates from Mitel.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2025-01-07
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2024-55550

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2024-55550coverage & exploitation statusNVD · CVE.org

Recent advisories for Mitel MiCollab Path

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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