How severe is CVE-2022-40765?

CVE-2022-40765 has a CVSS 3.1 base score of 6.8 (MEDIUM). EPSS estimates a 10.6% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2022-40765: Mitel MiVoice Connect Command Injection Vulnerability

CISA Known Exploited Vulnerabilities

Mitel MiVoice Connect Command Injection Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2023-02-21

Remediation due

2023-03-14

Ransomware

Known use

Required action
Apply updates per vendor instructions.

CISA notes
https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-22-0007; https://nvd.nist.gov/vuln/detail/CVE-2022-40765

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.

Severity

CVSS 3.1 · CISA6.8 MEDIUM

CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

SSVC · CISA-ADP

Exploitationactive

Automatableno

Technical impacttotal

Exploitation Context

as of October 17, 2026

All KEV statistics→

CISA added CVE-2022-40765 to the KEV catalog 91 days after its CVE record was published. The median for entries added in 2023 is 12 days.
It is one of 7 Mitel entries in the CISA KEV catalog, and one of 2 added in 2023.
Its current EPSS score (10.6%) is higher than that of 27% of CISA KEV entries.

Affected Products

Vendor	Product	Affected versions
-	-	n/a

References

2 Links

Other references

Record Details

Published

2022-11-22

Last updated

2025-10-21

Assigner (CNA)

mitre

Credited to

CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.