CVE-2021-26598 : Security Advisory and Response

ImpressCMS before version 1.4.3 is impacted by an Incorrect Access Control vulnerability due to the file include/findusers.php allowing unauthorized access by attackers without authentication.

Understanding CVE-2021-26598

This CVE refers to the Incorrect Access Control vulnerability found in ImpressCMS before version 1.4.3.

What is CVE-2021-26598?

The CVE-2021-26598 vulnerability in ImpressCMS allows unauthenticated attackers to access the system through the findusers.php file.

The Impact of CVE-2021-26598

This vulnerability can be exploited by malicious actors to gain unauthorized access to sensitive information or perform unauthorized actions on the affected system.

Technical Details of CVE-2021-26598

ImpressCMS version before 1.4.3 is susceptible to an Incorrect Access Control vulnerability.

Vulnerability Description

The vulnerability arises from the file include/findusers.php, allowing access to unauthenticated attackers by design.

Affected Systems and Versions

ImpressCMS versions before 1.4.3 are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability to gain access to the system without proper authentication.

Mitigation and Prevention

If you are using ImpressCMS, it is crucial to take immediate action to secure your system.

Immediate Steps to Take

Update ImpressCMS to version 1.4.3 or above to mitigate the Incorrect Access Control vulnerability.

Long-Term Security Practices

Regularly monitor for security updates and patches for ImpressCMS to prevent similar vulnerabilities in the future.

Patching and Updates

Stay informed about security advisories related to ImpressCMS and promptly apply patches released by the vendor to enhance system security.