CVE-2020-27640 Auth bypass in n/a
An unauthenticated attacker within Bluetooth range can pair a rogue device to eavesdrop on conversations due to improper pairing mechanisms in Mitel MiVoice phones.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-27640?
CVE-2020-27640 is a high-severity authentication bypass vulnerability in n/a, published on 18 Dec 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The Bluetooth handset of Mitel MiVoice 6940 and 6930 MiNet phones with firmware before 1.5.3 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.
Which versions are affected by CVE-2020-27640?
It affects 2 products.
Products include Mitel Mivoice 6930 Firmware, Mitel Mivoice 6940 Firmware.
How do I fix CVE-2020-27640?
No fix has been published for CVE-2020-27640 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2020-27640 being exploited?
There is no known exploitation of CVE-2020-27640 in the wild and no public exploit code.
Sources
Also known as GHSA-mhgc-wgp9-pgqm.