CVE-2021-42665

Name: CVE-2021-42665
Creator: NVD / NIST
Published: 2021-11-05T13:15:08.77+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 4.87%

Last modified Jun 17, 2026

CVE-2021-42665 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 4.87% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

4.87%

90.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-89

Affected Software

Vendor	Product	Versions
Engineers Online Portal Project	Engineers Online Portal	1.0

References

https://github.com/TheHackingRabbi/CVE-2021-42665Exploit, Third Party Advisory
https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-42665Exploit, Third Party Advisory
https://www.exploit-db.com/exploits/50452Exploit, Third Party Advisory, VDB Entry
https://www.sourcecodester.com/php/13115/engineers-online-portal-php.htmlProduct, Third Party Advisory
https://github.com/TheHackingRabbi/CVE-2021-42665Exploit, Third Party Advisory
https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-42665Exploit, Third Party Advisory
https://www.exploit-db.com/exploits/50452Exploit, Third Party Advisory, VDB Entry
https://www.sourcecodester.com/php/13115/engineers-online-portal-php.htmlProduct, Third Party Advisory

Timeline

Published: Nov 5, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-42665?

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.

How severe is CVE-2021-42665?

CVE-2021-42665 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 4.87% probability of exploitation in the next 30 days.

How do I fix CVE-2021-42665?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-42665?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST