Mitel MiCollab Path Traversal Vulnerability

[ Why it matters ]Priority signals

• Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2025-01-07
• Known to be used in ransomware campaigns
• EPSS: 38% chance of exploitation in the next 30 days (higher than 99% of CVEs)

[ Description ]Official description

Mitel MiCollab through 9.8 SP2 could allow an authenticated attacker with administrative privilege to conduct a local file read, due to insufficient input sanitization. A successful exploit could allow the authenticated admin attacker to access resources that are constrained to the admin access level, and the disclosure is limited to non-sensitive system information. This vulnerability does not allow file modification or privilege escalation.

CISA: Mitel MiCollab contains a path traversal vulnerability that could allow an authenticated attacker with administrative privileges to read local files within the system due to insufficient input sanitization. This vulnerability can be chained with CVE-2024-41713, which allows an unauthenticated, remote attacker to read arbitrary files on the server.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 28 Jan 2025): Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

• www.mitel.com/support/security-advisoriesVendor Advisory
• www.mitel.com/support/security-advisories/mitel-product-security-advisory-misa-2024-0029Vendor Advisory
• www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource