CVE-2025-67823
8.2 · HIGHOverview
CVE-2025-67823 is a high-severity vulnerability affecting mitel cx. It was published on January 15, 2026 and has a CVSS 3.1 base score of 8.2 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.2, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
A vulnerability in the Multimedia Email component of Mitel MiContact Center Business through 10.2.0.10 and Mitel CX through 1.1.0.1 could allow an unauthenticated attacker to conduct a Cross-Site Scripting (XSS) attack due to insufficient input validation. A successful exploit requires user interaction where the email channel is enabled. This could allow an attacker to execute arbitrary scripts in the victim's browser or desktop client application.
Remediation
Check the references section for vendor advisories and patches from mitel. Update cx to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| mitel | cx | >= 0, < 2.0 | Affected |
| mitel | micontact_center_business | >= 0, < 10.2.0.11 | Affected |
Frequently Asked Questions
What is CVE-2025-67823?
CVE-2025-67823 is a high-severity vulnerability affecting mitel cx. It was published on January 15, 2026 and has a CVSS 3.1 base score of 8.2 (HIGH).
How severe is CVE-2025-67823?
This vulnerability has a CVSS 3.1 base score of 8.2, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2025-67823?
Check the references section for vendor advisories and patches from mitel. Update cx to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2025-67823?
CyberStrike's AI-powered security agents can automatically detect CVE-2025-67823 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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