CVE-2025-34298CWE-281

CVE-2025-34298

High · published October 31, 2025

CVSS v3.1
8.8
EPSS
1%
Percentile
52.8
In the wild
Unconfirmed
What it is

⚡ An email address mischief-maker can exploit a privilege escalation bug in Nagios Log Server! Think of it like a restaurant that doesn’t check your ID when you switch your reservation to a fake name—suddenly, you’re dining in the VIP section! 🥳 An attacker could potentially elevate their account's privileges, gaining access to sensitive data or settings they should never see—like a dinner guest who sneaks into the kitchen for the secret recipe! This could lead to unauthorized actions, compromising the security of the entire logging framework.

Put simply

Think of it like a restaurant that doesn’t check your ID when you switch your reservation to a fake name—suddenly, you’re dining in the VIP section! 🥳 This vulnerability occurs in Nagios Log Server's email-change workflow, where insufficient validation allows users to set their email to an invalid value, triggering inconsistent account states that grant elevated rights.

What to do

An attacker could potentially elevate their account's privileges, gaining access to sensitive data or settings they should never see—like a dinner guest who sneaks into the kitchen for the secret recipe! This could lead to unauthorized actions, compromising the security of the entire logging framework. To mitigate this, update Nagios Log Server to version 2024R1.3.2 or later, ensuring proper validation is in place for email changes. Regularly audit user permissions and implement strict access control measures to avoid such exploits. You’ve got this! Follow these steps, and you’ll be one step closer to securing your server! 🛡️

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00705 · 52.8th percentile
Weakness
CWE-281 · Improper Preservation of Permissions
Published
2025-10-31T02:15Z
Affected products (8)
ProductVersionsFixed in
nagios/log_server< 20242024
nagios/log_serverall versions—
nagios/log_serverall versions—
nagios/log_serverall versions—
nagios/log_serverall versions—
nagios/log_serverall versions—
nagios/log_serverall versions—
nagios/log_serverall versions—
References (2)
EPSS history
Timeline
  • 30 OCT 21:25Z
    Nagios Log Server < 2024R1.3.2 Set Email Privilege Escalation
    cvelistv5