What’s Vulnerable › Vulnerabilities

CVE-2020-11798

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 48.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-06-10 · updated 2026-06-17
• Weakness: CWE-22

Description

A Directory Traversal vulnerability in the web conference component of Mitel MiCollab AWV before 8.1.2.4 and 9.x before 9.1.3 could allow an attacker to access arbitrary files from restricted directories of the server via a crafted URL, due to insufficient access validation. A successful exploit could allow an attacker to access sensitive information from the restricted directories.

Affected products

• Mitel Micollab Audio, Web & Video Conferencing: before 8.1.2.4; from 9.0 before 9.1.3 — fixed in 8.1.2.4, 9.1.3

How to fix

Upgrade to a fixed version: Mitel Micollab Audio, Web & Video Conferencing 8.1.2.4, 9.1.3. Check the vendor advisory for mitigations.

References

• http://packetstormsecurity.com/files/171751/Mitel-MiCollab-AWV-8.1.2.4-9.1.3-Directory-Traversal-LFI.html
• https://www.mitel.com/-/media/mitel/file/pdf/support/security-advisories/security-bulletin-20-0005-01.pdf
• https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-20-0005
• http://packetstormsecurity.com/files/171751/Mitel-MiCollab-AWV-8.1.2.4-9.1.3-Directory-Traversal-LFI.html
• https://www.mitel.com/-/media/mitel/file/pdf/support/security-advisories/security-bulletin-20-0005-01.pdf
• https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-20-0005

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