Vulnerability identifier: #VU68540
Vulnerability risk: Critical
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-434
Exploitation vector: 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 missing authorization checks and insufficient validation of files during file upload. A remote non-authenticated attacker can upload a malicious file to the server and execute it.
Successful exploitation of the vulnerability may allow an attacker to compromise the entire system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
MiCollab: 9.6 - 9.6.105
External links
http://www.mitel.com/support/security-advisories/mitel-product-security-advisory-22-0009
http://www.mitel.com/-/media/mitel/file/pdf/support/security-advisories/security-bulletin_22-0009-001-v1.pdf
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.