High severity8.0NVD Advisory· Published Jan 29, 2021· Updated Jun 17, 2026
CVE-2021-3176
CVE-2021-3176
Description
The chat window of the Mitel BusinessCTI Enterprise (MBC-E) Client for Windows before 6.4.15 and 7.x before 7.1.2 could allow an attacker to gain access to user information by sending certain code, due to improper input validation of http links. A successful exploit could allow an attacker to view user information and application data.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3- cpe:2.3:a:mitel:businesscti_enterprise:*:*:*:*:*:windows:*:*Range: <6.4.15
- Mitel/BusinessCTI Enterprise Client for Windowsdescription
- Range: <6.4.15 ≥7.0 <7.1.2
Patches
Vulnerability mechanics
References
2- www.mitel.com/support/security-advisoriesnvdVendor Advisory
- www.mitel.com/support/security-advisories/mitel-product-security-advisory-21-0001nvdVendor Advisory
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