CVE-2018-15497

critical

Description

The Mitel MiVoice 5330e VoIP device is affected by memory corruption flaws in the SIP/SDP packet handling functionality. An attacker can exploit this issue remotely, by sending a particular pattern of SIP/SDP packets, to cause a denial of service state in the affected devices and probably remote code execution.

References

https://www.nccgroup.trust/uk/our-research/technical-advisory-mitel-mivoice-5330e-memory-corruption-flaw/

https://www.mitel.com/en-ca/support/security-advisories/mitel-product-security-advisory-18-0009

Details

Source: Mitre, NVD

Published: 2018-10-23

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.09355