THREATPORT/VULNERABILITY/CVE-2018-8736
HIGH SEVERITY

CVE-2018-8736

Nagios Xi vulnerability

CVSS
8.8
EPSS
46.9%
EPSS pct
99th
Exploited
No known
A privilege escalation vulnerability in Nagios XI 5.2.x through 5.4.x before 5.4.13 allows an attacker to leverage an RCE vulnerability escalating to root.
Affected vendor
Nagios
Affected product
Nagios Xi
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
2018-04-18

Risk analysis

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

Its EPSS score of 46.9% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it among the most exploited CVEs currently tracked.

Check your external exposure to CVE-2018-8736

  • Confirm whether Nagios Nagios Xi is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2018-8736.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-8736

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-8736 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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