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Exploited. On CISA's list since 2025-01-07, and used by ransomware.
CVE-2024-41713 · Mitel MiCollab · Published 2024-10-21
9.1 out of 10
CVSS rates it critical: about as damaging as flaws get.
97%
Estimated chance of exploitation in the next 30 days, among the top 1% of all scored flaws (EPSS, 2026-10-29).
Yes
CISA has seen it exploited in real attacks. For US government agencies the fix is deadline passed 640 days ago (2025-01-28).
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Mitel MiCollab contains a path traversal vulnerability that could allow an attacker to gain unauthorized and unauthenticated access. This vulnerability can be chained with CVE-2024-55550, which allows an unauthenticated, remote attacker to read arbitrary files on the server.
A vulnerability in the NuPoint Unified Messaging (NPM) component of Mitel MiCollab through 9.8 SP1 FP2 (9.8.1.201) could allow an unauthenticated attacker to conduct a path traversal attack, due to insufficient input validation. A successful exploit could allow unauthorized access, enabling the attacker to view, corrupt, or delete users' data and system configurations.
From the NVD.
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A supplied file path escapes the directory the application intended to allow.
CWE-22 · CISA KEV; NVD record: 134c704f-9b21-4f2e-91b3-4a467353bcc0; NVD record: nvd@nist.gov
Reading and practice labs · Free account for labs. Basic HTTP knowledge; some labs use Burp Suite.
CWE is a catalogue of weakness types. Labels come from the sources shown and can differ or change. Resource matches reviewed 16 October 2026.
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Exploited flaws from CISA's KEV catalogue. Chance of exploitation from EPSS by FIRST. Descriptions and scores from the NVD. This product uses the NVD API but is not endorsed or certified by the NVD.