CVE-2022-29854
highpriority · track · 27OT risk · elevatedEPSS 0.007 · 52 %ileEURUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.2–7.2
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (3)
Products and version ranges known to be affected.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (18)
External citations — patches, advisories, analysis.
- http://seclists.org/fulldisclosure/2022/Jun/32cnnvd
- https://cxsecurity.com/cveshow/CVE-2022-29854/cnnvd
- https://cxsecurity.com/issue/WLB-2022060051cnnvd
- https://packetstormsecurity.com/files/167547/Mitel-6800-6900-Series-SIP-Phones-Backdoor-Access.htmlcnnvd
- https://vigilance.fr/vulnerability/Mitel-6900-Series-IP-Phone-MiNet-code-execution-via-System-Start-up-38212cnnvd
- https://www.mitel.com/support/security-advisoriescnnvd
- https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-22-0003cnnvd
- https://www.syss.de/pentest-blog/undocumented-functionality-backdoor-in-mitel-desk-phones-syss-2022-021cnnvd
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