CVE-2022-40765: Mitel MiVoice Connect Command Injection Vulnerability
- Is it exploited?
Yes. CISA added it to the Known Exploited Vulnerabilities catalog on 21 Feb 2023, 91 days after the CVE record was published.
- How likely is exploitation in the next 30 days?
- 10.6%
EPSS score, percentile 95.8 of all scored records
- How severe?
- 6.8 Medium
CVSS v3.1 base score, from CISA's enrichment of the record
- What should I do?
Required action (CISA), due 14 Mar 2023: Apply updates per vendor instructions.
The CVE record links no vendor advisory, patch or mitigation.
- Which versions are affected?
Not stated. The CVE record gives vendor and product as “n/a” and the version as “unspecified”.
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
What to do
Required action, set by CISA
Apply updates per vendor instructions.
CISA due date for this action: 14 March 2023.
Advisories and patches
The CVE record links no vendor advisory, patch or mitigation.
Linked from CISA's catalog entry
- https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-22-0007
- https://nvd.nist.gov/vuln/detail/CVE-2022-40765
Affected products and versions
The CVE record does not name affected products or versions: vendor and product are “n/a” and the version is “unspecified”.
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
About this vulnerability
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.
Summary: CISA's KEV catalog, as of 28 Oct 2026.
- CISA added CVE-2022-40765 to its Known Exploited Vulnerabilities (KEV) catalog on 21 Feb 2023.
- CISA marks it as known to be used in ransomware campaigns.
- The due date CISA sets for the required action is 14 Mar 2023.
- The CVE record was published on 22 Nov 2022, 91 days before it was added to KEV.
- The CVE record carries a CVSS v3.1 base score of 6.8 (Medium), taken from CISA's enrichment of the record.
- FIRST's EPSS model puts the probability of exploitation in the next 30 days at 10.6% (percentile 95.8), as of 28 Oct 2026.
- CISA's SSVC assessment in the CVE record: exploitation active, automatable no, technical impact total.
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026. About the data.
Description
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.
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
Weakness
- CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')
CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record and the KEV entry.
Timeline
| Date | Event |
|---|---|
| 22 Nov 2022 | CVE record published |
| 21 Feb 2023 | Added to CISA KEV |
| 14 Mar 2023 | CISA due date for the required action |
| 21 Oct 2025 | CVE record last updated |
References
More exploited Mitel vulnerabilities
- CVE-2024-41710: Mitel SIP Phones Argument Injection Vulnerability
- CVE-2024-41713: Mitel MiCollab Path Traversal Vulnerability
- CVE-2024-55550: Mitel MiCollab Path Traversal Vulnerability
- CVE-2022-41223: Mitel MiVoice Connect Code Injection Vulnerability
- CVE-2022-29499: Mitel MiVoice Connect Data Validation Vulnerability
- CVE-2022-26143: MiCollab, MiVoice Business Express Access Control Vulnerability