CVE-2022-40765 Mitel MiVoice Connect: command or code injection
In plain words: The program treats text it receives as instructions instead of plain data. The attacker can run commands on the machine — often the whole device is taken over.
Confirmed exploited by CISA on · US federal patch deadline Mar 14, 2023
What to do
- Install Mitel's security update for MiVoice Connect. If no update exists, follow the vendor's workaround or stop using the product until one ships.
- Keep a list of every internet-facing server you run so nothing is forgotten.
- Patch anything in this catalog first, ahead of normal patch cycles.
- Put admin and file-transfer apps behind a VPN or single sign-on instead of the open internet.
Who is affected
Work IT. Aimed mostly at company systems — you are affected through the companies you use, not your own phone.
What's at risk: Mass data theft and ransomware: a single flaw in a file-transfer or email server has exposed thousands of organisations at once.
The details
- Official name
- Mitel MiVoice Connect Command Injection Vulnerability
- Product
- Mitel MiVoice Connect
- CISA description
- The Mitel Edge Gateway component of MiVoice Connect allows an authenticated attacker with internal network access to execute commands within the context of the system.
- Type of flaw
- Command or code injection (CWE-77)
- Confirmed exploited
- Feb 21, 2023 — known to be used in ransomware attacks
- US federal patch deadline
- Mar 14, 2023
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Answering about CVE-2022-40765 ·
Questions about CVE-2022-40765
Is CVE-2022-40765 being exploited?
Yes. CISA added CVE-2022-40765 to its Known Exploited Vulnerabilities catalog on Feb 21, 2023, which means there is reliable evidence of real-world attacks, including by ransomware groups.
How do I fix CVE-2022-40765?
Install Mitel's security update for MiVoice Connect. If no update exists, follow the vendor's workaround or stop using the product until one ships. Keep a list of every internet-facing server you run so nothing is forgotten.
Am I affected by CVE-2022-40765?
Only if you use Mitel MiVoice Connect. Aimed mostly at company systems — you are affected through the companies you use, not your own phone.