CVE-2024-55550
Mitel MiCollab through 9.8 SP2 could allow an authenticated attacker with administrative privilege to conduct a local file read, due to insufficient…
Browse: All 2024 CVEs · All vendors
- CVSS score
- 2.7 Low
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N- CISA KEV
- Yes — actively exploited (added 2025-01-07, remediation due 2025-01-28)
- Ransomware
- Known ransomware campaign use
- Weakness (CWE)
- CWE-22
- Published
- 2024-12-10
- Last modified
- 2026-08-04
- NVD status
- Analyzed
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
- mitel micollab
Affected ranges per NVD CPE data; confirm exact versions in the vendor advisory.
Required action (CISA)
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. Federal remediation deadline: 2025-01-28.
How to prioritize this
This vulnerability is on the CISA KEV list, meaning it is being actively exploited — treat it as urgent regardless of the raw CVSS number. Use the live CVE lookup for the latest NVD data, and the CVSS 3.1 calculator to model your own environmental score.
References
- https://www.mitel.com/support/security-advisories
- https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-misa-2024-0029
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-55550
FAQ
Is CVE-2024-55550 actively exploited?
Yes. CISA added CVE-2024-55550 to its Known Exploited Vulnerabilities (KEV) catalog on 2025-01-07, with a federal remediation deadline of 2025-01-28. A KEV listing means real-world exploitation is confirmed, so patching this should be prioritized above many higher-CVSS bugs that aren't being exploited.
What is the CVSS score of CVE-2024-55550?
CVE-2024-55550 has a CVSS base score of 2.7 (Low). Its vector string is CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N.
Related vulnerabilities
- CVE-2024-41713 — Mitel MiCollab
- CVE-2024-41710 — Mitel SIP Phones
- CVE-2022-41223 — Mitel MiVoice Connect
- CVE-2022-40765 — Mitel MiVoice Connect
- CVE-2022-29499 — Mitel MiVoice Connect
- CVE-2022-26143 — Mitel MiCollab, MiVoice Business Express
Data source: NVD & CISA KEV. Shown as-is; nothing added. Last generated from NVD data — re-check the live tool for updates.
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