CVE-2021-42643 : Security Advisory and Response
CVE-2021-42643 highlights an arbitrary file write vulnerability in cmseasy V7.7.5_20211012, enabling unauthorized code execution. Learn about impact, affected systems, exploitation, and mitigation.
cmseasy V7.7.5_20211012 is affected by an arbitrary file write vulnerability, potentially leading to a code execution exploit.
Understanding CVE-2021-42643
What is CVE-2021-42643?
CVE-2021-42643 highlights a vulnerability in cmseasy V7.7.5_20211012 that allows the writing of a PHP script file on the website server, posing a risk of code execution.
The Impact of CVE-2021-42643
This vulnerability can be exploited by malicious actors to write a PHP script file to the server, enabling unauthorized code execution and potentially compromising the website's security.
Technical Details of CVE-2021-42643
Vulnerability Description
- Affected software: cmseasy V7.7.5_20211012
- Vulnerability: Arbitrary file write vulnerability
- Consequence: Code execution exploit risk
Affected Systems and Versions
- Product: n/a
- Vendor: n/a
- Versions: n/a
Exploitation Mechanism
The vulnerability allows attackers to write a PHP script file to the website server, which if accessed, can lead to a code execution vulnerability.
Mitigation and Prevention
Immediate Steps to Take
- Disable unnecessary file write permissions
- Monitor server for unusual PHP script file creations
Long-Term Security Practices
- Regular security audits and updates for CMS platforms
- Implement least privilege access control
Patching and Updates
It is crucial to apply any security patches or updates released by cmseasy to mitigate the vulnerability.