What is CVE-2018-19275?

CVE-2018-19275 is a critical-severity vulnerability in Mitel Cmg Suite, classified under Initialization of a Resource with an Insecure Default. CVSS score: 9.8/10. Published 2019-04-02.

How severe is CVE-2018-19275?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Mitel Cmg Suite

CVE-2018-19275

The BluStar component in Mitel InAttend before 2.5 SP3 and CMG before 8.4 SP3 Suite Servers has a default password, which could allow remote attackers to gain unauthorized access and execute arbitrary scripts with potential impacts to the confidentiality, integrity and availability of the system.

Published 2019-04-02 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.046 (91.4th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.046 · newest: 0.046 · change: 0.000

Affected products

Mitel Cmg Suite — versions 8.4
Mitel Inattend — versions 2.5

Weakness classification (CWE)

CWE-1188 — Initialization of a Resource with an Insecure Default

References

www.mitel.com/en-gb/support/security-advisories/mitel-product-security-advisory… (Vendor Advisory)
www.mitel.com/-/media/mitel/pdf/security-advisories/security-bulletin-190002001… (Vendor Advisory)

Frequently asked questions

What is CVE-2018-19275?: CVE-2018-19275 is a critical-severity vulnerability in Mitel Cmg Suite, classified under Initialization of a Resource with an Insecure Default. CVSS score: 9.8/10. Published 2019-04-02.
How severe is CVE-2018-19275?: Critical severity. CVSS v3 base score is 9.8 out of 10.