Known exploited vulnerability
CVE-2024-55550
The short answer
CVE-2024-55550 affects n/a n/a and is rated low (CVSS 2.7). CISA added it to the Known Exploited Vulnerabilities catalog on 2025-01-07: attackers are using it, so patch it first.
What it is
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.
Weakness: CWE-22.
Severity
2.7 low
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Exploited (CISA KEV)
Yes, since Jan 7, 2025
Federal due date Jan 28, 2025
EPSS, next 30 days
38%
Higher than 99% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- High
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- Low
- Integrity impact
- None
- Availability impact
- None
What CISA says to do
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Affected products
n/a. NVD's record lists the exact affected versions.
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
Questions
Is CVE-2024-55550 being exploited?
Yes. CISA added CVE-2024-55550 to its Known Exploited Vulnerabilities catalog on 2025-01-07, with a federal remediation due date of 2025-01-28. CISA lists it as used in ransomware campaigns.
How do I fix CVE-2024-55550?
CISA's required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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