CVE-2019-18863

Medium

Description

A key length vulnerability in the implementation of the SRTP 128-bit key on Mitel 6800 and 6900 SIP series phones, versions 5.1.0.2051 SP2 and earlier, could allow an attacker to launch a man-in-the-middle attack when SRTP is used in a call. A successful exploit may allow the attacker to intercept sensitive information.

SeverityMedium
CVSS5.9
Exploit probability—
ProductMitel 6863i Firmware
PublishedMar 2, 2020
First seenMar 2, 2020

How to fix

Update
  • mitel 6863i_firmware5.1.0.2051 or later
  • mitel 6865i_firmware5.1.0.2051 or later
  • mitel 6867i_firmware5.1.0.2051 or later
  • mitel 6869i_firmware5.1.0.2051 or later
  • mitel 6873i_firmware5.1.0.2051 or later
  • mitel 6920_firmware5.1.0.2051 or later
  • mitel 6930_firmware5.1.0.2051 or later
  • mitel 6940_firmware5.1.0.2051 or later

Affected products

ProductAffected versionsFixed in
mitel 6863i_firmwarev < 5.1.0.2051, 5.1.0.20515.1.0.2051
mitel 6865i_firmwarev < 5.1.0.2051, 5.1.0.20515.1.0.2051
mitel 6867i_firmwarev < 5.1.0.2051, 5.1.0.20515.1.0.2051
mitel 6869i_firmwarev < 5.1.0.2051, 5.1.0.20515.1.0.2051
mitel 6873i_firmwarev < 5.1.0.2051, 5.1.0.20515.1.0.2051
mitel 6920_firmwarev < 5.1.0.2051, 5.1.0.20515.1.0.2051
mitel 6930_firmwarev < 5.1.0.2051, 5.1.0.20515.1.0.2051
mitel 6940_firmwarev < 5.1.0.2051, 5.1.0.20515.1.0.2051

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