CVE-2018-5782

9.8 criticalEPSS 19%

Critical (9.8) in mitel. EPSS 19% chance of exploitation in the next 30 days.

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 inject PHP code using specially crafted requests to the vsethost.php page. Successful exploit could allow an attacker to execute arbitrary PHP code within the context of the application.

Severity

CVSS 3.0

9.8 critical

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

EPSS: 19% chance of exploitation in the next 30 days; higher than 97% of CVEs (scores of 2026-10-31)
CWE: CWE-94
Published: 2018-03-14
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mitel:connect_onsite
mitel:st14.2

References

https://github.com/twosevenzero/shoretel-mitel-rce
https://www.exploit-db.com/exploits/46174/
https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-18-0004
https://github.com/twosevenzero/shoretel-mitel-rce
https://www.exploit-db.com/exploits/46174/

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