CVE-2023-24035CWE-208

CVE-2023-24035

Low · published September 14, 2026

CVSS v3.1
3.5
EPSS
1%
Percentile
55.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
3.5 · LOW
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00767 · 55.0th percentile
Weakness
CWE-208 · Observable Timing Discrepancy
Published
2026-09-14T08:16Z
References (2)
https://www.nagios.com/downloads/nagios-xi/change-log/ · [email protected]https://www.nagios.com/security-disclosures/ · [email protected]
EPSS history
Timeline
  • 15 SEP 03:12Z
    EPSS moved — → 1%
    epss
  • 14 SEP 00:00Z
    An issue was discovered in Nagios XI before 5.9.3
    cvelistv5