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Public proof of conceptFix available

CVE-2024-13986

A public proof of concept exists; no exploitation attested.

  • Published2025-08-28
  • Fixed in2024
  • WeaknessCWE-22 · CWE-434

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2025-08-2816:15CVE publishedNVD

Versions per branch

NVD
Nagios nagios xi
BranchAffectedFixed in
2024.x< 20242024
2024.x= 2024no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As VulnCheck, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Nagios XIother versions: not affected
    Affected
    • < 2024R1.3.2fixed in 2024R1.3.2custom

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-05-15

Fix

  1. Update Nagios nagios xi to 2024

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • CISA-ADPSSVC decisionpoc2025-08-29
  • CNACVSS 4.08.7known since 2026-10-23
  • NVDCVSS 3.18.8read 2026-10-23
  • CNAweakness (CWE)CWE-22, CWE-434known since 2026-10-23
  • NVDweakness (CWE)CWE-22, CWE-434read 2026-10-23
  • FIRST EPSSEPSS score1.7 %2026-11-08
  • GitHub Advisoriesadvisory—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 4.0 vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
2025-08-28
Last Modified
2026-09-26
NVD status
Modified
GitHub Advisory
GHSA-fr8x-pm73-6f4h

Frequently asked questions

What is CVE-2024-13986?

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.

Is CVE-2024-13986 actively exploited?

A proof-of-concept exploit exists for CVE-2024-13986, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2024-13986?

CVE-2024-13986 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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