CVE-2021-41729 : Exploit Details and Defense Strategies

BaiCloud-cms v2.5.7 is vulnerable to an arbitrary file deletion flaw that enables an attacker to delete files on the server via /user/ppsave.php.

Understanding CVE-2021-41729

This CVE record highlights a critical vulnerability in BaiCloud-cms v2.5.7.

What is CVE-2021-41729?

The CVE-2021-41729 vulnerability allows malicious actors to delete arbitrary files on the server by exploiting a specific file within the application.

The Impact of CVE-2021-41729

The vulnerability poses a severe threat as attackers can manipulate file deletion, potentially leading to data loss or service disruption.

Technical Details of CVE-2021-41729

Explore the technical aspects of this CVE.

Vulnerability Description

BaiCloud-cms v2.5.7 contains a security flaw that permits unauthorized file deletion through the /user/ppsave.php endpoint.

Affected Systems and Versions

Affected Versions: BaiCloud-cms v2.5.7
Operating Systems: N/A

Exploitation Mechanism

Attackers can exploit the vulnerability by sending crafted requests to the /user/ppsave.php file, leading to the deletion of critical files on the server.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2021-41729.

Immediate Steps to Take

Consider disabling the vulnerable functionality until a patch is available.
Monitor server logs for any suspicious activity related to file deletions.

Long-Term Security Practices

Regularly update BaiCloud-cms to the latest version to prevent known vulnerabilities.
Implement access controls and permissions to limit the impact of potential file deletions.
Conduct security assessments and penetration testing to identify and address similar vulnerabilities in the system.

Patching and Updates

Apply relevant patches provided by the software vendor to address the arbitrary file deletion vulnerability in BaiCloud-cms.