CVSS v3
8.1
HIGH
EPSS Score
1.6 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
An SQL Injection vulnerability exists in Sourcecodester Online Covid Vaccination Scheduler System 1.0 via the username in lognin.php .
Technical details
- Published
- 2021-10-27
Frequently asked questions
What is CVE-2021-37803?
An SQL Injection vulnerability exists in Sourcecodester Online Covid Vaccination Scheduler System 1.0 via the username in lognin.php .
Is CVE-2021-37803 actively exploited?
Active exploitation of CVE-2021-37803 has not been confirmed. Its EPSS score was 1.6% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-37803?
CVE-2021-37803 has a CVSS v3 base score of 8.1 (HIGH severity).
Is CVE-2021-37803 affecting your environment?
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