Path Traversal in Nagios Xi
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.017 (77.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: +0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- theyhack.me/Nagios-XI-Authenticated-RCE (Exploit, technical-description, Third Party Advisory, exploit)
- www.nagios.com/changelog/nagios-xi/ (vendor-advisory, patch)
- www.nagios.com/products/security/ (vendor-advisory, patch)
- www.vulncheck.com/advisories/nagios-xi-authenticated-arbitrary-file-upload-path… (third-party-advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2024-13986?
- CVE-2024-13986 is a high-severity vulnerability in Nagios Xi, classified under Path Traversal. CVSS score: 8.8/10. Published 2025-08-28.
- How severe is CVE-2024-13986?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2024-13986 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.