CVE-2018-5779

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-03-14 · updated 2026-06-17
Weakness: CWE-94

Description

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.

Affected products

Mitel Connect Onsite: through r1711-prem
Mitel St14.2: through ga28

References

https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-18-0004
https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-18-0004

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