How to fix 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.

Is Online Exam System 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 without authorization.

CVE-2020-37057

HIGH

2026-01-30 [email protected]

8.2

CVSS 3.1

CVSS Vector

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

Description

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.

Analysis

Technical Context

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.

Affected Products

Vendor: Sunnygkp10. Product: Online-Exam-System-. Versions: up to 2015. Component: feedback.

Remediation

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

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +0.0

CVSS: +41

POC: +20

CVE-2020-37057 vulnerability details – vuln.today

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CVE-2020-37057

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CVE-2020-37057

CVSS Vector

Lifecycle Timeline

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Description

Analysis

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External POC / Exploit Code