CVE-2021-35245 : What You Need to Know

A detailed overview of the Broken Access Control Vulnerability for SolarWinds Serv-U, including its impact, affected systems, and mitigation steps.

Understanding CVE-2021-35245

This section delves into the specifics of the CVE-2021-35245 vulnerability affecting SolarWinds Serv-U.

What is CVE-2021-35245?

The vulnerability in Serv-U FTP allows users with admin rights to perform unauthorized file operations on the host machine.

The Impact of CVE-2021-35245

With a CVSS base score of 8.4, this high-severity vulnerability can lead to confidentiality, integrity, and availability breaches on Windows platforms running Serv-U FTP versions less than 15.2.5.

Technical Details of CVE-2021-35245

Explore the technical aspects of the CVE-2021-35245 vulnerability in this section.

Vulnerability Description

The flaw arises from improper access controls, enabling privileged users to manipulate files beyond their permissions.

Affected Systems and Versions

Serv-U FTP versions 15.2.4 Hotfix 1 and earlier on Windows platforms are susceptible to this vulnerability.

Exploitation Mechanism

This vulnerability can be exploited by authenticated users with admin privileges, leveraging network access without user interaction.

Mitigation and Prevention

Discover the best practices to mitigate and prevent the risks associated with CVE-2021-35245.

Immediate Steps to Take

All users are advised to upgrade to Serv-U 15.2.5 immediately to address this vulnerability and prevent potential security breaches.

Long-Term Security Practices

Implement strict access controls and regular security audits to maintain a secure environment for Serv-U deployments.

Patching and Updates

Stay proactive with patch management procedures to ensure software is up-to-date with the latest security fixes.