CVE-2024-55550
mitel micollab
Published 10 Dec 2024 · updated 4 Aug 2026 · Analyzed
Exploited in the wild
CISA added this to its Known Exploited Vulnerabilities catalog on 7 Jan 2025, with a remediation deadline of 28 Jan 2025 for US federal agencies. It has been used in ransomware campaigns.
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
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.
References
- www.mitel.com/support/security-advisories · Vendor Advisory
- www.mitel.com/support/security-advisories/mitel-product-security-advisory-misa-2024-0029 · Vendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-55550 · US Government Resource