What is CVE-2024-13996?

CVE-2024-13996 is a critical-severity vulnerability in Nagios Nagios_xi, classified under Insufficient Session Expiration. CVSS score: 9.8/10. Published 2025-10-30.

How severe is CVE-2024-13996?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Nagios Nagios_xi

CVE-2024-13996

Nagios XI versions prior to 2024R1.1.3 did not invalidate all other active sessions for a user when that user's password was changed. As a result, any pre-existing sessions (including those potentially controlled by an attacker) remained v…

EPSS: 0.010 (57.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Nagios Nagios_xi — versions 2024
Nagios Xi — versions 0

Weakness classification (CWE)

CWE-613 — Insufficient Session Expiration

References

disclosure@vulncheck.com (vendor-advisory, patch, Vendor Advisory)
disclosure@vulncheck.com (release-notes, Release Notes, patch)
disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2024-13996?: CVE-2024-13996 is a critical-severity vulnerability in Nagios Nagios_xi, classified under Insufficient Session Expiration. CVSS score: 9.8/10. Published 2025-10-30.
How severe is CVE-2024-13996?: Critical severity. CVSS v3 base score is 9.8 out of 10.