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CVE-2024-13986

Nagios Xi remote code execution

8.8 HIGHPublic exploitEPSS 1.74%
  1. Published28 Aug 2025

Description

Nagios XI < 2024R1.3.2 contains a remote code execution vulnerability by chaining two flaws: an arbitrary file upload and a path traversal in the Core Config Snapshots interface. The issue arises from insufficient validation of file paths and extensions during MIB upload and snapshot rename operations. Exploitation results in the placement of attacker-controlled PHP files in a web-accessible directory, executed as the www-data user.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Nagios Xi< 2024 · 2024

Remediation

Fixed in
Nagios Xi≥ 2024

References

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Frequently asked

Is CVE-2024-13986 being actively exploited?

CVE-2024-13986 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 1.74%.

How severe is CVE-2024-13986?

CVE-2024-13986 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 1.74% probability of exploitation.

Which products are affected by CVE-2024-13986?

Affected products include Nagios Xi.

How do I fix CVE-2024-13986?

Upgrade affected software to a fixed version, for example Nagios Xi 2024 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-13986 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.