Full Report
Mitel security advisory (AV26-328)
Analysis Summary
# Vulnerability: Critical Flaws in Mitel MiCollab
## CVE Details
*Note: Specific CVE IDs and CVSS scores were not explicitly detailed in the summary provided by the Canadian Centre for Cyber Security; however, they are categorized under MISA-2026-0002.*
- **CVE ID:** CVE-2026-XXXXX (Refer to MISA-2026-0002)
- **CVSS Score:** [Not specified in source] (High/Critical)
- **CWE:** [Not specified in source]
## Affected Systems
- **Products:** Mitel MiCollab
- **Versions:** Version 10.2.0.24 and all prior versions.
- **Configurations:** Default installations of the MiCollab collaboration platform.
## Vulnerability Description
While the bulletin (AV26-328) acts as a high-level notification, it indicates that Mitel has identified vulnerabilities within the MiCollab suite that require immediate remediation. Based on the advisory classification, the flaws likely involve unauthorized access or remote code execution capabilities within the collaboration server's web or communication interface.
## Exploitation
- **Status:** Not explicitly reported as exploited in the wild (refer to vendor advisory for real-time updates).
- **Complexity:** [Not specified]
- **Attack Vector:** Network (Likely remote).
## Impact
- **Confidentiality:** Potential for High impact (Unauthorized data access).
- **Integrity:** Potential for High impact (System modification).
- **Availability:** Potential for High impact (Service disruption).
## Remediation
### Patches
- **Mitel MiCollab:** Administrator should upgrade to the latest version as directed by Mitel Support. Ensure the version is newer than **10.2.0.24**.
### Workarounds
- There are currently no listed workarounds that replace the necessity of a patch. Restricting access to the MiCollab management interface to trusted internal networks is a recommended general security posture.
## Detection
- **Indicators of Compromise:** Monitor for unusual administrative logins or unauthorized configuration changes within the MiCollab console.
- **Detection Methods:** Audit system logs for requests originating from unexpected external IP addresses targeting the MiCollab server ports.
## References
- Mitel Product Security Advisory MISA-2026-0002: hxxps[://]www[.]mitel[.]com/support/security-advisories/mitel-product-security-advisory-misa-2026-0002
- Mitel Security Bulletins: hxxps[://]www[.]mitel[.]com/support/security-advisories
- Canadian Centre for Cyber Security Advisory: hxxps[://]www[.]cyber[.]gc[.]ca/en/alerts-advisories/mitel-security-advisory-av26-328