Vulnerability details

CVE-2020-37005

TimeClock Software TimeClock Software

TimeClock Software 1.01 Authenticated Time-Based SQL Injection

CVSS 4.0

7.1High

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.

CVSS scores

Score	Version	Source	Vector
7.1High	4.0	CVEProject cvelistV5 (CNA) (VulnCheck)	`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`
7.1High	3.1	CVEProject cvelistV5 (CNA) (VulnCheck)	`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N`

Affected products

Vendor	Product	Versions	Source
TimeClock Software	TimeClock Software	1.01	CVEProject cvelistV5 (CNA)

References and advisories

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

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Details

Published: 2026-01-29
Last updated: 2026-04-07
State: Published
Assigner (CNA): VulnCheck

Exploit prediction (EPSS)

0.31%

Probability of exploitation in 30 days

24.4%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: Proof of concept
Technical impact: Partial

Weaknesses (CWE)

CWE-89
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')