CVE-2020-37005 HIGH

CVE-2020-37005: TimeClock Software 1.01 Authenticated Time-Based SQL Injection

Vendor Timeclock Software
Product TimeClock Software
Weakness CWE-89 · SQLi
Published January 29, 2026
Last update April 7, 2026

CVSS base score

7.1/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS 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

What the vulnerability does

01Description

TimeClock Software 1.01 contains an authenticated time-based SQL injection vulnerability that allows attackers to enumerate valid usernames by manipulating the 'notes' parameter. Attackers can inject conditional time delays in the add_entry.php endpoint to determine user existence by measuring response time differences.

Key dates

02Disclosure timeline

January 29, 2026 CVE published
April 7, 2026 Record updated