What is CVE-2021-44427?

CVE-2021-44427 is a critical-severity vulnerability in Rosariosis, classified under SQL Injection. CVSS score: 9.8/10. Published 2021-11-29.

How severe is CVE-2021-44427?

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

Is CVE-2021-44427 known to be exploited?

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

SQL Injection in Rosariosis

CVE-2021-44427

An unauthenticated SQL Injection vulnerability in Rosario Student Information System (aka rosariosis) before 8.1.1 allows remote attackers to execute PostgreSQL statements (e.g., SELECT, INSERT, UPDATE, and DELETE) through /Side.php via the syear parameter.

Vulnerability class: SQL Injection

Published 2021-11-29 · 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: 0.506 (98.9th percentile), scored 2026-10-19.

High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 98.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.506 · newest: 0.506 · change: 0.000

Affected products

Rosariosis

Weakness classification (CWE)

CWE-89 — SQL Injection

Public proof-of-concept exploits

References

gitlab.com/francoisjacquet/rosariosis/-/issues/328 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2021-44427?: CVE-2021-44427 is a critical-severity vulnerability in Rosariosis, classified under SQL Injection. CVSS score: 9.8/10. Published 2021-11-29.
How severe is CVE-2021-44427?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2021-44427 known to be exploited?: 8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.