Mitel MiCollab up to 9.8 SP2 information disclosure

Summaryinfo

A vulnerability marked as problematic has been reported in Mitel MiCollab up to 9.8 SP2. This affects an unknown part. This manipulation causes information disclosure. This vulnerability is handled as CVE-2024-55550. It is possible to launch the attack on the local host. Additionally, an exploit exists.

Detailsinfo

A vulnerability classified as problematic was found in Mitel MiCollab up to 9.8 SP2. Affected by this vulnerability is an unknown code. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE 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.

The advisory is shared at mitel.com. This vulnerability is known as CVE-2024-55550 since 12/08/2024. The exploitation appears to be easy. An attack has to be approached locally. The exploitation needs additional levels of successful authentication. Technical details are unknown but an exploit is available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

It is declared as attacked. The vulnerability scanner Nessus provides a plugin with the ID 233866 (Mitel MiCollab <= 9.8 SP2 (9.8.2.12) Multiple Vulnerabilities (MISA-2024-0029)), which helps to determine the existence of the flaw in a target environment. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 01/07/2025 with a due date of 01/28/2025:

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (233866). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• Mitel

Name

• MiCollab

Version

• 9.8 SP2

License

• commercial

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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