CVE-2021-27860 : What You Need to Know

A vulnerability in the web management interface of FatPipe WARP, IPVPN, and MPVPN software prior to versions 10.1.2r60p92 and 10.2.2r44p1 allows a remote, unauthenticated attacker to upload a file to any location on the filesystem. The FatPipe advisory identifier for this vulnerability is FPSA006.

Understanding CVE-2021-27860

This section provides detailed information on the arbitrary file upload vulnerability in FatPipe software.

What is CVE-2021-27860?

CVE-2021-27860 is a critical vulnerability in FatPipe WARP, IPVPN, and MPVPN software versions prior to 10.1.2r60p92 and 10.2.2r44p1, allowing unauthorized file uploads.

The Impact of CVE-2021-27860

With a CVSS base score of 9.8/10, this vulnerability has a critical impact on confidentiality, integrity, and availability, posing a significant risk to affected systems.

Technical Details of CVE-2021-27860

In this section, we delve into the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability enables a remote attacker to upload files to the file system without authentication, potentially leading to unauthorized access and data leakage.

Affected Systems and Versions

FatPipe WARP, IPVPN, and MPVPN software versions 10.1 and 10.2 prior to 10.1.2r60p92 and 10.2.2r44p1 are affected by this vulnerability.

Exploitation Mechanism

The vulnerability can be exploited remotely over a network without the need for privileges, making it a high-severity threat to the security of the affected systems.

Mitigation and Prevention

Protecting systems from CVE-2021-27860 is crucial to maintain data security and integrity.

Immediate Steps to Take

Update FatPipe software to versions 10.1.2r60p92 and 10.2.2r44p1 or higher to eliminate the vulnerability.
Implement network security measures to restrict unauthorized access to the web management interface.

Long-Term Security Practices

Regularly monitor and audit file uploads and system access to detect suspicious activities.
Educate users on safe file handling practices to prevent malicious uploads.

Patching and Updates

Stay informed about security advisories from FatPipe and promptly apply patches and updates to mitigate known vulnerabilities.