How severe is CVE-2022-29499?

CVE-2022-29499 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-29499 being actively exploited?

Yes. CVE-2022-29499 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-06-27, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2022-29499?

CVE-2022-29499 affects Mitel Mivoice Connect. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-29499?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2022-29499 have an EU (EUVD) identifier?

Yes. CVE-2022-29499 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-33836. It is also flagged as exploited in the EUVD (since 2022-06-27).

When was CVE-2022-29499 published?

CVE-2022-29499 was published on 2022-04-26 and last updated on 2026-08-06.

CVE-2022-29499

CVE-2022-29499 is a critical-severity vulnerability in Mitel Mivoice Connect with a CVSS 3.x base score of 9.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2022-06-27). The underlying weakness is classified as CWE-20.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 56% (99th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2022-06-27)
EU (EUVD) id: EUVD-2022-33836
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2022-06-27)
Weakness: CWE-20
Affected product: Mitel Mivoice Connect
Published: 2022-04-26
Last modified: 2026-08-06

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.

Frequently asked questions

What is CVE-2022-29499?: 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.
How severe is CVE-2022-29499?: CVE-2022-29499 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-29499 being actively exploited?: Yes. CVE-2022-29499 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-06-27, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2022-29499?: CVE-2022-29499 affects Mitel Mivoice Connect. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-29499?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2022-29499 have an EU (EUVD) identifier?: Yes. CVE-2022-29499 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-33836. It is also flagged as exploited in the EUVD (since 2022-06-27).
When was CVE-2022-29499 published?: CVE-2022-29499 was published on 2022-04-26 and last updated on 2026-08-06.

References

Affected products (1)

cpe:2.3:a:mitel:mivoice_connect:*:*:*:*:*:*:*:*

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