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VulnerabilityPublished Updated

CVE-2024-14003: Nagios XI · OS Command Injection

Affects Nagios XISource CVE Database V5

0

Not known to be exploited · CVSS 9.4 Critical : upgrade to 2024R1.2 as a priority.

Data as of 26 Oct 2026, 14:05 UTC

CVSS 4.0 base score
9.4Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
2.2% chance of exploitation in 30 days – higher than 83% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 2024R1.2
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 30 Oct 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Upgrade Nagios XI to 2024R1.2.

Affected software

ProductAffectedFixed in
NagiosXIAffected
  • <2024R1.2
Fixed in
  • 2024R1.2

AI-suggested

To mitigate CVE-2024-14003, organizations should immediately upgrade Nagios XI to version 2024R1.2 or later, where the vulnerability has been addressed. If upgrading is not immediately feasible, restrict access to the NRDP service by implementing network-level controls such as IP whitelisting, VPN access, or firewall rules to limit inbound NRDP requests to trusted sources only. Additionally, enable and monitor detailed logging of NRDP traffic to detect anomalous or suspicious requests indicative of exploitation attempts. Employ web application firewalls (WAFs) with custom rules to block malicious payloads targeting NRDP endpoints. Conduct regular security assessments and penetration testing focused on Nagios XI deployments to identify residual risks. Finally, review and harden Nagios XI configurations to minimize privileges of the Nagios service user and isolate the monitoring server within segmented network zones to reduce lateral movement potential.

Description

Nagios XI versions prior to 2024R1.2 are vulnerable to remote code execution (RCE) through its NRDP (Nagios Remote Data Processor) server plugins. Insufficient validation of inbound NRDP request parameters allows crafted input to reach command execution paths, enabling attackers to execute arbitrary commands on the underlying host in the context of the web/Nagios service.

References

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