What’s Vulnerable › Vulnerabilities

CVE-2021-40543

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-10-11 · updated 2026-06-17
• Weakness: CWE-89

Description

Opensis-Classic Version 8.0 is affected by a SQL injection vulnerability due to a lack of sanitization of input data at two parameters $_GET['usrid'] and $_GET['prof_id'] in the PasswordCheck.php file.

Affected products

• OS4ED openSIS-Classic: 8.0

References

• https://github.com/OS4ED/openSIS-Classic/issues/191
• https://github.com/OS4ED/openSIS-Classic/issues/191

Get alerted when CVE-2021-40543 or the next vulnerability affects your stack