What is CVE-2020-37005?

CVE-2020-37005 is a high-severity vulnerability in Timeclock Software, classified under SQL Injection. CVSS score: 7.1/10. Published 2026-01-29.

How severe is CVE-2020-37005?

High severity. CVSS v3 base score is 7.1 out of 10.

SQL Injection in Timeclock Software

CVE-2020-37005

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.

Vulnerability class: SQL Injection

EPSS: 0.003 (18.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N.

Affected products

Timeclock Software — versions 1.01

Weakness classification (CWE)

CWE-89 — SQL Injection

References

disclosure@vulncheck.com (exploit)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2020-37005?: CVE-2020-37005 is a high-severity vulnerability in Timeclock Software, classified under SQL Injection. CVSS score: 7.1/10. Published 2026-01-29.
How severe is CVE-2020-37005?: High severity. CVSS v3 base score is 7.1 out of 10.