CVE-2021-40353 — CRITICAL (9.8)

Vulnerability Description

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 because of an incomplete fix for CVE-2020-6637.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Os4Ed	Opensis	8.0

Related Weaknesses (CWE)

CWE-89

References

https://github.com/5qu1n7/CVE-2021-40353ExploitThird Party Advisory
https://www.opensis.com/download/englishProduct
https://github.com/5qu1n7/CVE-2021-40353ExploitThird Party Advisory
https://www.opensis.com/download/englishProduct

FAQ

What is CVE-2021-40353?

CVE-2021-40353 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 para...

How severe is CVE-2021-40353?

CVE-2021-40353 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-40353?

Check the references section above for vendor advisories and patch information. Affected products include: Os4Ed Opensis.