What is the CVSS score of CVE-2020-37057?

CVE-2020-37057 has a CVSS 3.1 base score of 8.2 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N. EPSS exploitation probability: 0.0%.

Which versions of Online Exam System are affected by CVE-2020-37057?

Online-Exam-System 2015 contains a critical SQL injection vulnerability in the feedback module that could allow attackers to access, modify, or delete sensitive examination data and student records…

Is there a public PoC exploit available for CVE-2020-37057?

Yes, a public proof-of-concept exploit is available for CVE-2020-37057. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2020-37057?

Within 24 hours: Identify all instances of Online-Exam-System 2015 in production and restrict network access to the feedback module. Within 7 days: Deploy Web Application Firewall (WAF) rules to block SQL injection patterns in the 'fid' parameter, and disable the feedback module if not critical to operations. Within 30 days: Evaluate migration to a patched version or supported alternative system; conduct database integrity audit for signs of compromise.

Online Exam System CVE-2020-37057

HIGH

SQL Injection (CWE-89)

2026-01-30 disclosure@vulncheck.com

SQLi Online Exam System

8.2

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.2 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:00 vuln.today

PoC Detected

Mar 12, 2026 - 18:50 vuln.today

Public exploit code

CVE Published

Jan 30, 2026 - 23:16 nvd

HIGH 8.2

DescriptionCVE.org

Online-Exam-System 2015 contains a SQL injection vulnerability in the feedback module that allows attackers to manipulate database queries through the 'fid' parameter. Attackers can inject malicious SQL code into the 'fid' parameter to potentially extract, modify, or delete database information.

AnalysisAI

Technical ContextAI

Classified as CWE-89 (SQL Injection). Affects the feedback component of Online-Exam-System-. Online-Exam-System 2015 contains a SQL injection vulnerability in the feedback module that allows attackers to manipulate database queries through the 'fid' parameter. Attackers can inject malicious SQL code into the 'fid' parameter to potentially extract, modify, or delete database information.

RemediationAI

Monitor vendor advisories for a patch. Use parameterized queries. Implement input validation. Restrict network access to the affected service where possible.

CVE-2020-37057 vulnerability details – vuln.today

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Online Exam System CVE-2020-37057

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code