THREATPORT/VULNERABILITY/CVE-2018-5782
CRITICAL SEVERITY

CVE-2018-5782

Connect Onsite vulnerability

CVSS
9.8
EPSS
19.1%
EPSS pct
97th
Exploited
No known
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.
Affected vendor
Mitel
Affected product
Connect Onsite
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
Published
2018-03-14

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 19.1% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2018-5782

  • Confirm whether Mitel Connect Onsite is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2018-5782.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-5782

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-5782 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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