CVE-2021-20113 : Security Advisory and Response
Learn about CVE-2021-20113, a sensitive information exposure vulnerability in TCExam <= 14.8.1. Understand the impact, affected systems, and mitigation steps.
An exposure of sensitive information vulnerability exists in TCExam <= 14.8.1, allowing a malicious actor to enumerate email addresses through a password reset vulnerability.
Understanding CVE-2021-20113
This section delves into the details of the vulnerability and its potential impact.
What is CVE-2021-20113?
The vulnerability in TCExam <= 14.8.1 allows attackers to enumerate email addresses by exploiting a password reset error.
The Impact of CVE-2021-20113
The vulnerability exposes sensitive information and poses a risk of email address enumeration.
Technical Details of CVE-2021-20113
This section provides technical insights into the vulnerability.
Vulnerability Description
If a password reset request is made for an unregistered email address, TCExam <= 14.8.1 displays an 'unknown email' error, aiding in email enumeration.
Affected Systems and Versions
TCExam version 14.8.1 and below are affected by this vulnerability.
Exploitation Mechanism
Malicious actors can leverage the password reset functionality to discern valid email addresses within TCExam.
Mitigation and Prevention
Explore steps to mitigate the risk and prevent exploitation of this vulnerability.
Immediate Steps to Take
Users of TCExam should apply patches and monitor for any unauthorized password reset attempts.
Long-Term Security Practices
Implement strict email validation and error handling protocols to minimize exposure to such vulnerabilities.
Patching and Updates
Stay informed about security updates from TCExam and apply patches promptly to address CVE-2021-20113.