CVE-2022-29854

Name: CVE-2022-29854
Creator: NVD / NIST
Published: 2022-05-13T14:15:08.547+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.8/10EPSS 0.64%

Last modified Jun 17, 2026

CVE-2022-29854 is a medium-severity vulnerability rated 6.8/10 on the CVSS scale. A vulnerability in Mitel 6900 Series IP (MiNet) phones excluding 6970, versions 1.8 (1.8.0.12) and earlier, could allow a unauthenticated attacker with physical access to the phone to gain root access due to insufficient access control for test functionality during system startup. A successful exploit could allow access to sensitive information and code execution.. EPSS estimates a 0.64% chance of exploitation in the next 30 days.

Description

A vulnerability in Mitel 6900 Series IP (MiNet) phones excluding 6970, versions 1.8 (1.8.0.12) and earlier, could allow a unauthenticated attacker with physical access to the phone to gain root access due to insufficient access control for test functionality during system startup. A successful exploit could allow access to sensitive information and code execution.

Metrics

CVSS 3.1

6.8/10

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

EPSS Probability

0.64%

46.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-863

Affected Software

Vendor	Product	Versions
Mitel	Minet Firmware	<= 1.8.0.12

References

http://packetstormsecurity.com/files/167547/Mitel-6800-6900-Series-SIP-Phones-Backdoor-Access.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2022/Jun/32Exploit, Mailing List, Third Party Advisory
https://www.mitel.com/support/security-advisoriesVendor Advisory
https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-22-0003Vendor Advisory
https://www.syss.de/pentest-blog/undocumented-functionality-backdoor-in-mitel-desk-phones-syss-2022-021Third Party Advisory
http://packetstormsecurity.com/files/167547/Mitel-6800-6900-Series-SIP-Phones-Backdoor-Access.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2022/Jun/32Exploit, Mailing List, Third Party Advisory
https://www.mitel.com/support/security-advisoriesVendor Advisory
https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-22-0003Vendor Advisory
https://www.syss.de/pentest-blog/undocumented-functionality-backdoor-in-mitel-desk-phones-syss-2022-021Third Party Advisory

Timeline

Published: May 13, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-29854?

How severe is CVE-2022-29854?

CVE-2022-29854 has a CVSS score of 6.8/10 (MEDIUM severity). The EPSS model estimates a 0.64% probability of exploitation in the next 30 days.

How do I fix CVE-2022-29854?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-29854?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST