SQL Injection in Os4ed Opensis

CVE-2021-40353

A SQL injection vulnerability exists in version 8.0 of openSIS when MySQL or MariaDB is used as the application database. An attacker can then issue the SQL command through the index.php USERNAME parameter. NOTE: this issue may exist becau…

Vulnerability class: SQL Injection

EPSS: 0.029 (85.3th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-40353?
CVE-2021-40353 is a critical-severity vulnerability in Os4ed Opensis, classified under SQL Injection. CVSS score: 9.8/10. Published 2021-09-01.
How severe is CVE-2021-40353?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2021-40353 known to be exploited?
5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.