What is CVE-2021-27314?

CVE-2021-27314 is a critical-severity vulnerability in Doctor Appointment System Project, classified under SQL Injection. CVSS score: 9.8/10. Published 2021-03-05.

How severe is CVE-2021-27314?

Critical severity. CVSS v3 base score is 9.8 out of 10.

SQL Injection in Doctor Appointment System Project

CVE-2021-27314

SQL injection in admin.php in doctor appointment system 1.0 allows an unauthenticated attacker to insert malicious SQL queries via username parameter at login page.

Vulnerability class: SQL Injection

Published 2021-03-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.124 (96.1th percentile), scored 2026-09-30.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.124 · newest: 0.124 · change: 0.000

Affected products

Doctor Appointment System Project — versions 1.0

Weakness classification (CWE)

CWE-89 — SQL Injection

References

packetstormsecurity.com/files/161641/Doctor-Appointment-System-1.0-SQL-Injectio… (Exploit, VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2021-27314?: CVE-2021-27314 is a critical-severity vulnerability in Doctor Appointment System Project, classified under SQL Injection. CVSS score: 9.8/10. Published 2021-03-05.
How severe is CVE-2021-27314?: Critical severity. CVSS v3 base score is 9.8 out of 10.