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Student Management System CVE-2020-23935

CRITICAL
SQL Injection (CWE-89)
2020-08-20 cve@mitre.org
9.8
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Parameterized queries, prepared statements
MITRE ATT&CK

2 techniques across 2 tactics: Initial Access, Persistence

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available.

Exploit ScenarioDerived

A remote attacker could execute arbitrary SQL commands against the database by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

Act Now Prioritize within 24-48h. Why: CRITICAL + active threat signals, no patch available.
No patch listed yet 15.9% exploitation probability (EPSS)

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AnalysisAI

Kabir Alhasan Student Management System 1.0 is vulnerable to Authentication Bypass via "Username: admin'

&& Password: (Write Something)". Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use parameterized queries/prepared statements. Never concatenate user input into SQL. Apply least-privilege database permissions.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as SQL Injection (CWE-89), which allows attackers to execute arbitrary SQL commands against the database. Kabir Alhasan Student Management System 1.0 is vulnerable to Authentication Bypass via "Username: admin'

&& Password: (Write Something)". Affected products include: Kabir-M-Alhasan Student Management System.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionNVD

Kabir Alhasan Student Management System 1.0 is vulnerable to Authentication Bypass via "Username: admin'

&& Password: (Write Something)".

Threat Intelligence Overview

EPSS Score
15.9%
Top 3% exploitable
Exploit
POC
Public exploit code exists
Data Quality
4 sources
Confidence: Medium
NVD CVE.org EPSS Exploit-DB GitHub

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity CRITICAL
CISA KEV No
Public POC Yes
EPSS 15.9%
Patch available No
Active threat Yes
Deciding rule
CRITICAL + active threat signals, no patch available
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
Poc
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

85
Low Medium High Critical
KEV: 0
EPSS: +16
CVSS: +49
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

SQL injection exploits the way applications construct database queries by mixing user input directly into SQL statements.

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)NVD

cpe:2.3:a:kabir-m-alhasan:student_management_system:1.0:*:*:*:*:*:*:*
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A vulnerability, which was classified as critical, was found in SourceCodester Student Management System. Rated critical

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CVE-2024-6191 MEDIUM POC
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CVE-2024-5047 MEDIUM POC
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A vulnerability classified as critical has been found in SourceCodester Student Management System 1.0. Rated medium seve

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A vulnerability was found in ningzichun Student Management System 1.0. Rated critical severity (CVSS 9.8), this vulnerab

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CVE-2026-10777 MEDIUM POC
5.5 Jun 03

Authentication bypass in ealpha072's Student-Management-System PHP application exposes the administrative backend to rem

CVE-2026-10619 MEDIUM POC
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Authentication bypass in sayan365's Student Management System exposes multiple protected endpoints to remote unauthentic

CVE-2025-15034 MEDIUM POC
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SQL injection in itsourcecode Student Management System 1.0 allows remote attackers to execute arbitrary SQL commands vi

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