Is CVE-2022-29499 in the CISA KEV catalog?

Yes. CVE-2022-29499 is on the CISA Known Exploited Vulnerabilities list, added 2022-06-27, and has known ransomware campaign use.

What is the CVSS severity of CVE-2022-29499?

CVE-2022-29499 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2022-29499?

CVE-2022-29499 has an EPSS score of 56.69% (99th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2022-29499

CRITICALCISA KEVEPSS 99th pctl

9.8

CVSS v3

NVD

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.

CWE-20Improper Input Validation

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

56.69%probability of exploitation in 30 days

99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Mitel MiVoice Connect Data Validation Vulnerability

The Service Appliance component in Mitel MiVoice Connect allows remote code execution due to incorrect data validation.

Apply updates per vendor instructions.

Remediation due: 2022-07-18

Associated with ransomware campaigns

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-03.