What’s Vulnerable › Vulnerabilities

CVE-2020-11797

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-08-26 · updated 2026-06-17

Description

An Authentication Bypass vulnerability in the Published Area of the web conferencing component of Mitel MiCollab AWV before 8.1.2.4 and 9.x before 9.1.3 could allow an unauthenticated attacker to gain access to unauthorized information due to insufficient access validation. A successful exploit could allow an attacker to access sensitive shared files.

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

• https://www.mitel.com/support/security-advisories
• https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-20-0005
• https://www.mitel.com/support/security-advisories
• https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-20-0005

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