CVE-2021-40309
HIGH
8.8
CVSS Score
Published: September 24, 2021 at 03:09 PM UTC
Updated: June 17, 2026 at 04:06 AM UTC
1 product affected across 1 vendorOpensis
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Severity
HIGH8.8
Exploit prediction
EPSS 2%
Description
A SQL injection vulnerability exists in the Take Attendance functionality of OS4Ed's OpenSIS 8.0. allows an attacker to inject their own SQL query. The cp_id_miss_attn parameter from TakeAttendance.php is vulnerable to SQL injection. An attacker can make an authenticated HTTP request as a user with access to "Take Attendance" functionality to trigger this vulnerability.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (3)
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://github.com/MiSERYYYYY/Vulnerability-Reports-and-Disclosures/blob/main/OpenSIS-Community-8.0.mdx_refsource_MISCProductThird Party Advisory
Source: [email protected]
https://github.com/OS4ED/openSIS-Classicx_refsource_MISCExploitThird Party AdvisoryVDB Entry
Source: [email protected]
https://www.exploit-db.com/exploits/50249CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-89
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