What’s Vulnerable › Vulnerabilities
CVE-2020-27154
- Severity: high (CVSS 8.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.0% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2020-12-18 · updated 2026-06-17
- Weakness: CWE-20
Description
The chat window of Mitel BusinessCTI Enterprise (MBC-E) Client for Windows before 6.4.11 and 7.x before 7.0.3 could allow an attacker to gain access to user information by sending arbitrary code, due to improper input validation. A successful exploit could allow an attacker to view the user information and application data.
Affected products
- Mitel Businesscti Enterprise: before 6.4.11; from 7.0.0 before 7.0.3 — fixed in 6.4.11, 7.0.3
How to fix
Upgrade to a fixed version: Mitel Businesscti Enterprise 6.4.11, 7.0.3. Check the vendor advisory for mitigations.
References
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