CVE-2015-0842

yubiserver before 0.6 is prone to SQL injection issues, potentially leading to an authentication bypass

Critical · published June 26, 2025

CVSS v3.1
9.8
EPSS
0%
Percentile
31.0
In the wild
Unconfirmed
What it is

🔥 A sneaky SQL injection in yubiserver before version 0.6 could let attackers bypass authentication with alarming ease! Think of it like a restaurant where a clever diner knows the secret code to skip the line and stroll right into the VIP area — while everyone else is waiting, this trickster gets served first! 🍽️ This vulnerability is absolutely devastating: an attacker could exploit it to gain unauthorized access to sensitive accounts, potentially leading to data breaches or malicious activities. Imagine the chaos if an attacker impersonates an admin, manipulating user data at will! ⚡

Put simply

Think of it like a restaurant where a clever diner knows the secret code to skip the line and stroll right into the VIP area — while everyone else is waiting, this trickster gets served first! 🍽️ The flaw allows attackers to inject malicious SQL queries via user inputs, making it possible to bypass authentication checks entirely. This means unauthorized users can gain access to areas they shouldn't.

What to do

This vulnerability is absolutely devastating: an attacker could exploit it to gain unauthorized access to sensitive accounts, potentially leading to data breaches or malicious activities. Imagine the chaos if an attacker impersonates an admin, manipulating user data at will! ⚡ Immediately upgrade yubiserver to version 0.6 or later to patch this critical vulnerability. Additionally, implement input validation and parameterized queries to mitigate SQL injection risks moving forward. You've got this! By taking action now, you’re one step closer to keeping your systems secure and operating smoothly. 🛡️

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
0.00384 · 31.0th percentile
Published
2025-06-26T21:10Z
EPSS history
Timeline
  • 26 JUN 21:10Z
    yubiserver before 0.6 is prone to SQL injection issues, potentially leading to an authentication bypass
    cvelistv5