CVE-2018-15497

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2018-10-23 · updated 2026-06-17
Weakness: CWE-119

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.

Affected products

Mitel Mivoice 5330E Firmware: through 6.5.0.16

References

https://www.mitel.com/en-ca/support/security-advisories/mitel-product-security-advisory-18-0009
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
https://www.nccgroup.trust/uk/our-research/technical-advisory-mitel-mivoice-5330e-memory-corruption-flaw/

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