What’s Vulnerable › Vulnerabilities

CVE-2020-13863

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-08-26 · updated 2026-06-17
• Weakness: CWE-74

Description

The SAS portal of Mitel MiCollab before 9.1.3 could allow an attacker to access user data by performing a header injection in HTTP responses, due to the improper handling of input parameters. A successful exploit could allow an attacker to access user information.

Affected products

• Mitel Micollab: before 9.1.3 — fixed in 9.1.3

How to fix

Upgrade to a fixed version: Mitel Micollab 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-20-0008
• https://www.mitel.com/support/security-advisories
• https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-20-0008

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