CVE-2024-55550
Mitel MiCollab Path Traversal Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 28 January 2025). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
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.
- CVSS 3.1
- 2.7 LOWCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
- EPSS
- 38.16% probability · 99th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Listed 7 January 2025 · due 28 January 2025 · used in ransomware campaigns
- Weakness
- CWE-22
- Affected
- mitel/micollab
- Source
- cve@mitre.org
EPSS 38.2% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-misa-2024-0029 ; https://nvd.nist.gov/vuln/detail/CVE-2024-55550
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.