What is CVE-2022-29499?

CVE-2022-29499 is a critical-severity vulnerability in Mitel Mivoice_connect, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2022-04-26.

How severe is CVE-2022-29499?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2022-29499 known to be exploited?

Yes. CVE-2022-29499 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-06-27), indicating it is being actively exploited. 2 public proof-of-concept repositories are indexed.

Improper input validation in Mitel Mivoice_connect

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.566 (99.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Mitel Mivoice_connect
N/a — versions n/a

Weakness classification (CWE)

CWE-20 — Improper Input Validation

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2022-06-27. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2022-07-18.

Required action: Apply updates per vendor instructions.

Known ransomware campaign use: yes.

Public proof-of-concept exploits

References

cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2022-29499?: CVE-2022-29499 is a critical-severity vulnerability in Mitel Mivoice_connect, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2022-04-26.
How severe is CVE-2022-29499?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-29499 known to be exploited?: Yes. CVE-2022-29499 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-06-27), indicating it is being actively exploited. 2 public proof-of-concept repositories are indexed.