CVE-2025-34277CWE-94code-injection

CVE-2025-34277

Critical · published October 31, 2025

CVSS v3.1
9.8
EPSS
2%
Percentile
82.0
In the wild
Unconfirmed
What it is

🚨 Crafty dashboard IDs are the ticket to disaster! Nagios Log Server versions prior to 2024R1.3.1 allow attackers to inject code simply by submitting malformed values—no extra skills required! 🔥 Think of it as letting a customer order ‘whatever they want’ from the menu without checking if they have allergies. One wrong ID can lead to chaos in the kitchen, or in this case, the server! An attacker could gain full control over the Log Server process, allowing them to execute arbitrary code. This is not just a nuisance; it could lead to data breaches, unauthorized access, and potentially devastating consequences for your entire server environment.

Put simply

Think of it as letting a customer order ‘whatever they want’ from the menu without checking if they have allergies. One wrong ID can lead to chaos in the kitchen, or in this case, the server! This code injection vulnerability occurs because malformed dashboard ID values are not validated before being sent to an internal API, enabling attackers to inject and execute malicious code.

What to do

An attacker could gain full control over the Log Server process, allowing them to execute arbitrary code. This is not just a nuisance; it could lead to data breaches, unauthorized access, and potentially devastating consequences for your entire server environment. Patch immediately to version 2024R1.3.1 or later to close this critical vulnerability. Additionally, implement input validation on all dashboard ID submissions to prevent similar exploits in the future. You've got this! Secure your Log Server today and reinforce your security! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.02154 · 82.0th percentile
Weakness
CWE-94 · Improper Control of Generation of Code ('Code Injection')
Published
2025-10-31T02:15Z
Affected products (7)
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—
References (3)
EPSS history
Timeline
  • 30 OCT 21:25Z
    Nagios Log Server < 2024R1.3.1 RCE via Malformed Dashboard ID
    cvelistv5