IRONSMITHINTEL
MEDIUMCVSS6.8
|
Actively Exploited
|CISA KEV|CVE-2022-40765|Auth: high — administrative privileges|Reboot: required|Manual only

Mitel MiVoice Connect Command Injection Vulnerability (CVE-2022-40765)

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.

Published Nov 22, 2022 · Updated May 29, 2026
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Why patchRisk explained in plain English
Worst-case scenarioIf unpatched

An attacker, with administrative privileges, can achieve full data confidentiality loss, arbitrary modification of data, complete denial of service or system unavailability. CISA has confirmed use of this vulnerability in known ransomware campaigns — treat as high priority for remediation. Federal agencies are required to remediate by 2023-03-14 under CISA BOD 22-01.

How the attack worksNo clicks needed

This is a Command Injection (CWE-77) vulnerability in Mitel MiVoice Connect. A vulnerability in the Edge Gateway component of Mitel MiVoice Connect through 19.3 (22.22.6100.0) could allow an authenticated attacker with internal network access to conduct a command-injection attack, due to insufficient restriction of URL parameters. Exploitation requires adjacent_network access, low attack complexity, an administrative account, and no user interaction required.

Am I affected?Quick check

Probably yes if any of these apply:

●IT Security
●Running mivoice connect: v ≤ 22.22.6100.0
Real-world incidentsWhat we've seen

CISA confirms this CVE has been used in known ransomware campaigns. Added to the KEV catalog on 2023-02-21; federal agencies required to remediate by 2023-03-14.

How to patch

Manual remediation steps

Apply the Vendor Patch

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog — apply the vendor's security update as soon as possible.

CISA required action: Apply updates per vendor instructions.

References

    1
    Vendor advisory: https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-22-0007
    1
    NVD entry: https://nvd.nist.gov/vuln/detail/CVE-2022-40765
    1
    CISA KEV: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-40765
PowerShell automationComing soon

No tested PowerShell script for this entry yet. We’re prioritising automation based on user demand.

References

↗ CVE-2022-40765↗ Advisory

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