CVE-2025-34186CWE-287CWE-78

Ilevia EVE X1/X5 Server 4.7.18.0.eden Authentication Bypass

Critical · published September 16, 2025

CVSS v4.0
9.3
EPSS
1%
Percentile
58.5
In the wild
Unconfirmed
What it is

🚨 An unsanitized input in Ilevia EVE's authentication could turn your server into an all-you-can-eat buffet for attackers! 🔥 Think of it like a restaurant where the chef poorly checks the orders. If a diner slips in a special request that isn't vetted, they could potentially change the whole menu, serving themselves whatever they want without paying. That's what this flaw allows an attacker to do with your server's authentication! With this vulnerability, an attacker could bypass authentication entirely and gain full control of your system. Imagine someone walking straight through the front door and taking over everything, deleting files, or stealing sensitive data—all completely undetected! This isn’t just a small leak; it’s an open invitation to mischief!

Put simply

Think of it like a restaurant where the chef poorly checks the orders. If a diner slips in a special request that isn't vetted, they could potentially change the whole menu, serving themselves whatever they want without paying. That's what this flaw allows an attacker to do with your server's authentication! This vulnerability arises because unsanitized input is passed to a system() call, causing command parsing to be manipulated. The server wrongly interprets non-zero exit codes as successful authentication, granting unauthorized access to remote attackers.

What to do

With this vulnerability, an attacker could bypass authentication entirely and gain full control of your system. Imagine someone walking straight through the front door and taking over everything, deleting files, or stealing sensitive data—all completely undetected! This isn’t just a small leak; it’s an open invitation to mischief! To protect your system, immediately patch Ilevia EVE to version 4.7.19 or later. Additionally, ensure that inputs are properly sanitized before being processed to prevent command injection threats. Regularly review your security configurations to stay ahead of potential vulnerabilities. You've got this! Follow these steps and secure your server like a pro! 🛡️

The record
Technical detail
CVSS v4.0
9.3 · CRITICAL
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00874 · 58.5th percentile
Weaknesses
CWE-287 · Improper Authentication; CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2025-09-16T19:45Z
EPSS history
Timeline
  • 16 SEP 19:45Z
    Ilevia EVE X1/X5 Server 4.7.18.0.eden Authentication Bypass
    cvelistv5