Buffer overflow in Mitel Mivoice 5330e

CVE-2018-15497

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.

Vulnerability class: Buffer Overflow

EPSS: 0.049 (91.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-15497?
CVE-2018-15497 is a critical-severity vulnerability in Mitel Mivoice 5330e, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2018-10-23.
How severe is CVE-2018-15497?
Critical severity. CVSS v3 base score is 9.8 out of 10.