CVE-2023-24035

LowCVSS 3.5/10Last modified Sep 22, 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.

Metrics

CVSS 3.1 3.5/10CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N

Weakness enumeration

CWE-208

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
Nagios	Nagios XI	< 5.9.3

References

Timeline

Published: Sep 14, 2026
Last modified: Sep 22, 2026
NVD status: Awaiting Analysis

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