CVE-2020-37005CWE-89

TimeClock Software 1.01 Authenticated Time-Based SQL Injection

High · published January 29, 2026

CVSS v4.0
7.1
EPSS
0%
Percentile
22.3
In the wild
Unconfirmed
What it is

⚡ Time-based SQL injection is lurking in TimeClock Software 1.01, allowing attackers to play a sinister game of 'Guess Who?' with usernames using the 'notes' parameter! 🔍 Think of it like a restaurant where a waiter counts how long each dish takes to arrive. By measuring the time it takes for each order, the waiter could figure out which meals are available—all without asking the chef! An attacker could exploit this by subtly injecting code to discover valid usernames, opening the door to further attacks like password resets or account takeovers. This is a high-stakes situation, where just a few well-timed requests could lead to unauthorized access. 🚨

Put simply

Think of it like a restaurant where a waiter counts how long each dish takes to arrive. By measuring the time it takes for each order, the waiter could figure out which meals are available—all without asking the chef! The vulnerability allows authenticated users to manipulate the 'notes' input on the add_entry.php endpoint, executing a time-based SQL injection that reveals valid usernames based on response time delays.

What to do

An attacker could exploit this by subtly injecting code to discover valid usernames, opening the door to further attacks like password resets or account takeovers. This is a high-stakes situation, where just a few well-timed requests could lead to unauthorized access. 🚨 To secure your systems, upgrade to the latest version of TimeClock Software, patch this vulnerability, and ensure input validation is properly configured. Regularly auditing your application can also help catch these sneaky exploits! 🛡️ You've got this! By taking these steps, you'll be reinforcing your defenses and securing your TimeClock setup in no time! 💪

The record
Technical detail
CVSS v4.0
7.1 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
EPSS
0.00307 · 22.3th percentile
Weakness
CWE-89 · Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Published
2026-01-29T14:28Z
EPSS history
Timeline
  • 29 JAN 14:28Z
    TimeClock Software 1.01 Authenticated Time-Based SQL Injection
    cvelistv5