Auth bypass in Nagios Xi
CVE-2023-7317
Nagios XI versions prior to 2024R1 contain a missing access control vulnerability via the Web SSH Terminal. A remote, low-privileged attacker could access or interact with the terminal interface without sufficient authorization, potentially allowing unauthorized command execution or disclosure of sensitive information.
Vulnerability class: Broken Access Control
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: 0.015 (74.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.nagios.com/products/security/ (vendor-advisory, patch, Vendor Advisory)
- www.nagios.com/changelog/nagios-xi/ (release-notes, Release Notes, patch)
- www.vulncheck.com/advisories/nagios-xi-web-ssh-terminal-missing-access-control (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2023-7317?
- CVE-2023-7317 is a high-severity vulnerability in Nagios Xi, classified under Missing Authorization. CVSS score: 8.8/10. Published 2025-10-30.
- How severe is CVE-2023-7317?
- High severity. CVSS v3 base score is 8.8 out of 10.