CVE-2024-55550Mitel MiCollab through 9.8 SP2 could allow an authenticated attacker with administrative privilege to conduct a local file read, due to insufficient input sanitization.
Updated under an hour ago ()
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It affects mitel micollab. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Jan 7, 2025; federal agencies had to remediate by Jan 28, 2025, and it is known to be used in ransomware. Treat that date as your deadline.
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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
- 4.4 MEDIUM (v3.1, CISA ADP)CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
- Weakness (CWE)
- CWE-22
- Known exploited
- Added to CISA KEV Jan 7, 2025; federal remediation due Jan 28, 2025; known ransomware useApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- EPSS (exploitation in the next 30 days)
- 38.16% (percentile 99)
- Assigned by
- mitre
- NVD analysis
- Analyzed
- Record last updated
- Aug 4, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
mitel micollab mitel:micollab | through 9.8.1.201 | NVD |
References
- https://www.mitel.com/support/security-advisoriesvendor-advisory
- https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-misa-2024-0029vendor-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-55550us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.