RCE in Mitel Connect Onsite

CVE-2018-5779

A vulnerability in the conferencing component of Mitel Connect ONSITE, versions R1711-PREM and earlier, and Mitel ST 14.2, release GA28 and earlier, could allow an unauthenticated attacker to copy a malicious script into a newly generated PHP file and then execute the generated file using specially crafted requests. Successful exploit could allow an attacker to execute arbitrary code within the context of the application.

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.028 (84.8th 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-2018-5779?
CVE-2018-5779 is a critical-severity vulnerability in Mitel Connect Onsite, classified under Code Injection. CVSS score: 9.8/10. Published 2018-03-14.
How severe is CVE-2018-5779?
Critical severity. CVSS v3 base score is 9.8 out of 10.