Mitel 6800 and 6900 Series SIP phone devices through 2022-04-27 have "undocumented…
Priority LOW 31Published · Updated
Key facts
- Attack vector
- Physical
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Mitel 6800 and 6900 Series SIP phone devices through 2022-04-27 have "undocumented functionality." A vulnerability in Mitel 6800 Series and 6900 Series SIP phones excluding 6970, versions 5.1 SP8 (5.1.0.8016) and earlier, and 6.0 (6.0.0.368) through 6.1 HF4 (6.1.0.165), 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.
Why it matters now
EPSS 0.00789 56th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 18
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:mitel:6873i_sip_firmware:*:*:*:*:*:*:*:* | before 5.1.0.8017; 6.0.0.368 to before 6.1.0.171 | Vulnerable | Mitel |
| cpe:2.3:h:mitel:6873i_sip:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Mitel |
| cpe:2.3:o:mitel:6930_sip_firmware:*:*:*:*:*:*:*:* | before 5.1.0.8017; 6.0.0.368 to before 6.1.0.171 | Vulnerable | Mitel |
| cpe:2.3:h:mitel:6930_sip:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Mitel |
| cpe:2.3:o:mitel:6940_sip_firmware:*:*:*:*:*:*:*:* | before 5.1.0.8017; 6.0.0.368 to before 6.1.0.171 | Vulnerable | Mitel |
| cpe:2.3:h:mitel:6940_sip:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Mitel |
| cpe:2.3:o:mitel:6865i_sip_firmware:*:*:*:*:*:*:*:* | before 5.1.0.8017; 6.0.0.368 to before 6.1.0.171 | Vulnerable | Mitel |
| cpe:2.3:h:mitel:6865i_sip:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Mitel |
| cpe:2.3:o:mitel:6867i_sip_firmware:*:*:*:*:*:*:*:* | before 5.1.0.8017; 6.0.0.368 to before 6.1.0.171 | Vulnerable | Mitel |
| cpe:2.3:h:mitel:6867i_sip:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Mitel |
- cpe:2.3:o:mitel:6873i_sip_firmware:*:*:*:*:*:*:*:* Versions before 5.1.0.8017; 6.0.0.368 to before 6.1.0.171 Vulnerable ·Mitel
- cpe:2.3:h:mitel:6873i_sip:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Mitel
- cpe:2.3:o:mitel:6930_sip_firmware:*:*:*:*:*:*:*:* Versions before 5.1.0.8017; 6.0.0.368 to before 6.1.0.171 Vulnerable ·Mitel
- cpe:2.3:h:mitel:6930_sip:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Mitel
- cpe:2.3:o:mitel:6940_sip_firmware:*:*:*:*:*:*:*:* Versions before 5.1.0.8017; 6.0.0.368 to before 6.1.0.171 Vulnerable ·Mitel
- cpe:2.3:h:mitel:6940_sip:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Mitel
- cpe:2.3:o:mitel:6865i_sip_firmware:*:*:*:*:*:*:*:* Versions before 5.1.0.8017; 6.0.0.368 to before 6.1.0.171 Vulnerable ·Mitel
- cpe:2.3:h:mitel:6865i_sip:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Mitel
- cpe:2.3:o:mitel:6867i_sip_firmware:*:*:*:*:*:*:*:* Versions before 5.1.0.8017; 6.0.0.368 to before 6.1.0.171 Vulnerable ·Mitel
- cpe:2.3:h:mitel:6867i_sip:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Mitel
Show 8 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:mitel:6869i_sip_firmware:*:*:*:*:*:*:*:* | before 5.1.0.8017; 6.0.0.368 to before 6.1.0.171 | Vulnerable | Mitel |
| cpe:2.3:h:mitel:6869i_sip:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Mitel |
| cpe:2.3:o:mitel:6920_sip_firmware:*:*:*:*:*:*:*:* | up to 5.1.0.8016; 6.0.0.368 – 6.1.0.165 | Vulnerable | Mitel |
| cpe:2.3:h:mitel:6920_sip:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Mitel |
| cpe:2.3:o:mitel:6910_sip_firmware:*:*:*:*:*:*:*:* | up to 5.1.0.8016; 6.0.0.368 – 6.1.0.165 | Vulnerable | Mitel |
| cpe:2.3:h:mitel:6910_sip:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Mitel |
| cpe:2.3:o:mitel:6905_sip_firmware:*:*:*:*:*:*:*:* | up to 5.1.0.8016; 6.0.0.368 – 6.1.0.165 | Vulnerable | Mitel |
| cpe:2.3:h:mitel:6905_sip:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Mitel |
- cpe:2.3:o:mitel:6869i_sip_firmware:*:*:*:*:*:*:*:* Versions before 5.1.0.8017; 6.0.0.368 to before 6.1.0.171 Vulnerable ·Mitel
- cpe:2.3:h:mitel:6869i_sip:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Mitel
- cpe:2.3:o:mitel:6920_sip_firmware:*:*:*:*:*:*:*:* Versions up to 5.1.0.8016; 6.0.0.368 – 6.1.0.165 Vulnerable ·Mitel
- cpe:2.3:h:mitel:6920_sip:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Mitel
- cpe:2.3:o:mitel:6910_sip_firmware:*:*:*:*:*:*:*:* Versions up to 5.1.0.8016; 6.0.0.368 – 6.1.0.165 Vulnerable ·Mitel
- cpe:2.3:h:mitel:6910_sip:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Mitel
- cpe:2.3:o:mitel:6905_sip_firmware:*:*:*:*:*:*:*:* Versions up to 5.1.0.8016; 6.0.0.368 – 6.1.0.165 Vulnerable ·Mitel
- cpe:2.3:h:mitel:6905_sip:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Mitel
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2022-29855
- 2026-10-03 Alias added: GHSA-4f6f-x4m3-rhqj
References
Exploit 2
More Mitel 6865i Sip Firmware vulnerabilities
- TI-2024-27770 A vulnerability in the Mitel 6800 Series, 6900 Series, and 6900w Series SIP Phones… KEVCVSS 3.1HIGH 7.2
Sources
- CVE-2022-29855 · CVE Program
- CVE-2022-29855 · NVD
- FIRST EPSS
- GHSA-4f6f-x4m3-rhqj · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences