Vulnerability · Published Jan 29, 2026 · Assigned by VulnCheck

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

High 7.1

In plain English

A high-severity SQL injection in TimeClock Software from TimeClock Software. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 24% of all known vulnerabilities).

Severity (CVSS 3.1)7.1High
Exploit odds (30 days)0.3%top 75.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
TimeClock Software TimeClock Software 1.01

Weakness: CWE-89 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

References