CVE-2022-29499
CriticalExploitedPublic exploitThe Service Appliance component in Mitel MiVoice Connect through 19.2 SP3 allows remote code execution because of incorrect data validation.
Published Sep 14, 2022 · Updated Aug 6, 2026
Key Facts
Patch immediately- CVE-2022-29499 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Mivoice Connect (Mitel).
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since May 18, 2022 and is known to be used in ransomware campaigns. Public exploit code is available.
- EPSS estimates a 55% probability of exploitation in the next 30 days.
- Fixed versions are available, including Mivoice Connect <=22.20.2300.0, Mivoice Connect 22.20.2300.0.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
55%
Higher than 99.0% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings, used by ransomware
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2022-29499 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
The Service Appliance component in Mitel MiVoice Connect through 19.2 SP3 allows remote code execution because of incorrect data validation. The Service Appliances are SA 100, SA 400, and Virtual SA.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Jun 27, 2022 | Jul 18, 2022 | Known |
| Industry KEV feed | May 18, 2022 | Jul 18, 2022 | Known |
| CIRCL KEV | Jun 27, 2022 | Jul 18, 2022 | Known |
| ENISA EUVD | Jun 27, 2022 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Mivoice ConnectMitel | See advisory | 22.20.2300.0 |
Patched Releases
Mivoice Connect
<=22.20.2300.0
Timeline
Added to Industry KEV feed
May 18, 2022
Added to CISA KEV
Jun 27, 2022
Added to CIRCL KEV
Jun 27, 2022
Added to ENISA EUVD
Jun 27, 2022
Publicly disclosed
Sep 14, 2022
Last updated
Aug 6, 2026
Weakness Type
- CWE-20 Improper Input Validation
References
- advisoryhttps://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-34700
- advisoryhttps://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-34726
- advisoryhttps://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-34727
- advisoryhttps://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-34730
- advisoryhttps://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-34731
FAQ
Common Questions.
The Service Appliance component in Mitel MiVoice Connect through 19.2 SP3 allows remote code execution because of incorrect data validation.
Affected: Mivoice Connect (Mitel). The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since May 18, 2022 and is known to be used in ransomware campaigns.
Yes. It was added on Jun 27, 2022 with a federal remediation due date of Jul 18, 2022.
Public exploit code is available.
Fixed versions are available, including Mivoice Connect <=22.20.2300.0, Mivoice Connect 22.20.2300.0.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Is CVE-2022-29499 Running On Your Attack Surface?
Brandefense maps vulnerabilities like this one to your internet-facing assets and tells you exactly where to patch.
Request A Demo