CVE-2020-27639 json
The Bluetooth handset of Mitel MiVoice 6873i, 6930, and 6940 SIP phones with firmware before 5.1.0.SP6 could allow an unauthenticated attac…
published 2020-12-18 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-20146
- cvss
- 8.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 44%
- public exploits
- 0
- none known
Summary
The Bluetooth handset of Mitel MiVoice 6873i, 6930, and 6940 SIP phones with firmware before 5.1.0.SP6 could allow an unauthenticated attacker within Bluetooth range to pair a rogue Bluetooth device when a phone handset loses connection, due to an improper pairing mechanism. A successful exploit could allow an attacker to eavesdrop on conversations.
Patch / fix
- mitel 6873i_sip_firmware 5.1.0
- mitel 6930_sip_firmware 5.1.0
- mitel 6940_sip_firmware 5.1.0
Exploit prediction
0.52% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.1 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |
| NVD | 2.0 | 4.8 | AV:A/AC:L/Au:N/C:P/I:N/A:P |
References
-
mitel.com
/support/security-advisories
vendor-advisory
Sources
- CVE List CVE-2020-27639
- NVD CVE-2020-27639
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