Actively exploited · Published Dec 10, 2024 · Assigned by mitre
CVE-2024-55550
Medium 4.4 Exploited Ransomware
In plain English
A medium-severity path traversal in MiCollab from Mitel. Attackers are actively exploiting it in the wild (listed by CISA on January 7, 2025). It has been used in ransomware campaigns. The chance it is exploited in the next 30 days is estimated at 38.2% (higher than 99% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA guidance
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Federal agencies must remediate by Jan 28, 2025.
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.
Affected products (as reported)
Weakness: CWE-22 · Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N