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 3.5/10
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:NWeakness enumeration
Affected software
Source: the vendor's advisory (CNA). NVD analysis pending.
No affected versions have been published.
Timeline
- Published
- Sep 14, 2026
- Last modified
- Sep 22, 2026
- NVD status
- Awaiting Analysis