What is CVE-2022-27420?

CVE-2022-27420 is a critical-severity vulnerability in Hospital Management System Project, classified under SQL Injection. CVSS score: 9.8/10. Published 2022-05-04.

How severe is CVE-2022-27420?

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

Is CVE-2022-27420 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

SQL Injection in Hospital Management System Project

CVE-2022-27420

Hospital Management System v1.0 was discovered to contain a SQL injection vulnerability via the patient_contact parameter in patientsearch.php.

Vulnerability class: SQL Injection

Published 2022-05-04 · 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: 0.014 (72.2th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 72.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: +0.000

Affected products

Hospital Management System Project — versions 1.0

Weakness classification (CWE)

CWE-89 — SQL Injection

Public proof-of-concept exploits

References

github.com/kishan0725/Hospital-Management-System/issues/19 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2022-27420?: CVE-2022-27420 is a critical-severity vulnerability in Hospital Management System Project, classified under SQL Injection. CVSS score: 9.8/10. Published 2022-05-04.
How severe is CVE-2022-27420?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-27420 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.