Vulnerability identifier: #VU66159

Vulnerability risk: Medium

CVSSv3.1: 7.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-36452

CWE-ID: CWE-434

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
MiCollab
Server applications / Conferencing, Collaboration and VoIP solutions

Vendor: Mitel

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insufficient validation of file during file upload in the web conferencing componen. A remote attacker on the local network can upload a malicious file and execute it on the server.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

MiCollab: 9.5.0.101

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External links
http://www.mitel.com/support/security-advisories/mitel-product-security-advisory-22-0006
http://www.mitel.com/-/media/mitel/file/pdf/support/security-advisories/security-bulletin-22-0006-001.pdf

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.