CVE-2022-29854

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.

• CWE-863

• 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

Published

May 13, 2022

Last Modified

Jun 17, 2026

Status

Modified

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