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Low 3.5Published Sep 14, 2026
CVE-2023-24035An issue was discovered in Nagios XI before 5.9.3.
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 3.5 LOW (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N
- Weakness (CWE)
- CWE-208
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- mitre
- NVD analysis
- Awaiting Analysis
- Record last updated
- Sep 16, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Nagios Nagios XI nagios:xi (from the name) | before 5.9.3 | CNA record |
References
- https://www.nagios.com/downloads/nagios-xi/change-log/
- https://www.nagios.com/security-disclosures/
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.