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CVE-2021-36621

8.1 · HIGH

Sourcecodester Online Covid Vaccination Scheduler System 1.0 is vulnerable to SQL Injection.

Published Jul 30, 2021CWE-89EPSS 2.07%

Overview

CVE-2021-36621 is a high-severity vulnerability. It was published on July 30, 2021 and has a CVSS 3.1 base score of 8.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Sourcecodester Online Covid Vaccination Scheduler System 1.0 is vulnerable to SQL Injection. The username parameter is vulnerable to time-based SQL injection. Upon successful dumping the admin password hash, an attacker can decrypt and obtain the plain-text password. Hence, the attacker could authenticate as Administrator.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refpacketstormsecurity.com/files/164324/Covid-Vaccination-Scheduler-System-1.0-SQL-Injection-Cross-Site-Scripting.htmlGitHubgithub.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/oretnom23/CVE-nu11-18-09-2821Refwww.exploit-db.com/exploits/50109Refpacketstormsecurity.com/files/164324/Covid-Vaccination-Scheduler-System-1.0-SQL-Injection-Cross-Site-Scripting.htmlGitHubgithub.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/oretnom23/CVE-nu11-18-09-2821Refwww.exploit-db.com/exploits/50109

How CyberStrike helps

Frequently asked questions

What is CVE-2021-36621?

CVE-2021-36621 is a high-severity vulnerability. It was published on July 30, 2021 and has a CVSS 3.1 base score of 8.1 (HIGH).

How severe is CVE-2021-36621?

This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2021-36621?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2021-36621?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-36621 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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