CVE-2023-24035

Published Sep 14, 2026 CVSS 3.1 · 3.5 Low EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Timing Side-Channel Enables Brute-Force Login to Nagios XI
Type Values Removed Values Added
Title Timing Side-Channel Enables Brute-Force Login to Nagios XI
Type Values Removed Values Added
First Time appeared Nagios xi
Vendors & Products Nagios xi
Type Values Removed Values Added
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.
First Time appeared Nagios
Nagios nagios Xi
Weaknesses CWE-208
CPEs cpe:2.3:a:nagios:nagios_xi:*:*:*:*:*:*:*:*
Vendors & Products Nagios
Nagios nagios Xi
References
Metrics cvssV3_1

{'score': 3.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Sep 16, 2026, 2:30 PM
Reserved
Jan 21, 2023, 12:00 AM
Status
Awaiting Analysis
Published
Sep 14, 2026, 4:16 AM
Modified
Sep 22, 2026, 7:56 PM