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CVE-2019-9164Nagios Xi XSS

Command injection in Nagios XI before 5.5.11 allows an authenticated users to execute arbitrary remote commands via a new autodiscovery job.

Published Mar 28, 2019 · Updated Nov 21, 2024

Key Facts

Patch in the next maintenance window
  • CVE-2019-9164 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting Nagios Xi.
  • It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
  • EPSS estimates a 46% probability of exploitation in the next 30 days.
  • Fixed versions are available, including Nagios Xi 5.5.11.
  • Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.

Scores

CVSS v3.1

8.8

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

46%

Higher than 98.7% of all scored CVEs

Exploit maturity

Proof of concept

ATLAS score

41/100

Publication score, see How it works

Exploitation Verdict

KEV listed

Not listed

Federal due date

None

No federal due date

Ransomware use

Not reported

Attributed actors

None named

Exploit & Defence Guidance

Exploit maturity

Proof of concept

Public exploit code

1

Proof-of-concept links

In-the-wild evidence

1

Reports of active use

Description

Command injection in Nagios XI before 5.5.11 allows an authenticated users to execute arbitrary remote commands via a new autodiscovery job.

Affected Products

1 affected entries in total
ProductAffected versionsFixed in
Nagios XiNagiosSee advisory5.5.11

Patched Releases

Nagios Xi

5.5.11

Timeline

  1. Publicly disclosed

    Mar 28, 2019

  2. Last updated

    Nov 21, 2024

Weakness Type

  • CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

FAQ

Common Questions.

Is CVE-2019-9164 On Your Attack Surface?

Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.

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Figures as of Oct 19, 2026. Compiled by Brandefense technologies from public vulnerability catalogs; scoring as described in How it works.

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