What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-01-29 · updated 2026-06-17
• Weakness: CWE-89

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

• TimeClock Software: 1.01

References

• https://web.archive.org/web/20190104104315/http://timeclock-software.net/
• https://www.exploit-db.com/exploits/48874
• https://www.vulncheck.com/advisories/timeclock-software-authenticated-time-based-sql-injection

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