CVE-2021-4097 : Vulnerability Insights and Analysis
Get insights into CVE-2021-4097 affecting phpservermon/phpservermon due to CRLF Injection. Learn about the impact, affected versions, and mitigation steps to secure systems.
Understanding CVE-2021-4097
A vulnerability has been identified in phpservermon/phpservermon, leading to CRLF Injection.
What is CVE-2021-4097?
The CVE-2021-4097 vulnerability in phpservermon/phpservermon is due to Improper Neutralization of CRLF Sequences, which can be exploited by attackers to perform various malicious activities.
The Impact of CVE-2021-4097
With a CVSS base score of 6.3, this vulnerability has a Medium severity impact, requiring user interaction and affecting confidentiality, integrity, and availability to a low extent.
Technical Details of CVE-2021-4097
This section provides insight into the vulnerability and its technical aspects.
Vulnerability Description
The vulnerability arises from Improper Neutralization of CRLF Sequences in phpservermon/phpservermon, allowing attackers to manipulate HTTP headers or conduct various attacks.
Affected Systems and Versions
phpservermon/phpservermon versions prior to 3.6.0 are affected by this vulnerability.
Exploitation Mechanism
Attackers can exploit this vulnerability by injecting CRLF sequences into HTTP headers, leading to various security risks.
Mitigation and Prevention
To address CVE-2021-4097, immediate steps and long-term security practices should be followed.
Immediate Steps to Take
Developers and users should mitigate the vulnerability by upgrading phpservermon/phpservermon to version 3.6.0 or higher as soon as possible.
Long-Term Security Practices
Implement secure coding practices, conduct regular security audits, and stay updated on vulnerability disclosures to prevent similar issues in the future.
Patching and Updates
Regularly monitor security advisories and apply patches released by phpservermon to ensure the protection of the systems from known vulnerabilities.