# CVE-2023-24035

## Summary

- **CVE ID:** CVE-2023-24035
- **Severity:** LOW
- **CVSS Score:** 3.5 (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N)
- **CWE:** CWE-208
- **Published:** Sep 14, 2026
- **Last Modified:** Sep 16, 2026

## Description

An issue was discovered in Nagios XI before 5.9.3. The is_insecure_login_authenticated function uses a insecure timing comparison that leads to an attacker being able to bruteforce the admin password, by measuring timing differences in the comparison.

## Affected Products

- Nagios — Nagios XI (0)

## References

- [CNA](https://www.nagios.com/downloads/nagios-xi/change-log/)
- [CNA](https://www.nagios.com/security-disclosures/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.77%
- **EPSS Percentile:** 54.0

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-19._