CVE-2021-27857 : Vulnerability Insights and Analysis

A missing authorization vulnerability in the web management interface of FatPipe WARP, IPVPN, and MPVPN software prior to versions 10.1.2r60p91 and 10.2.2r42 allows a remote, unauthenticated attacker to download a configuration archive. This vulnerability with a base score of 7.5 impacts confidentiality severely.

Understanding CVE-2021-27857

This CVE refers to a missing authorization flaw in FatPipe WARP, IPVPN, and MPVPN software versions before 10.1.2r60p91 and 10.2.2r42 that enables unauthorized access to configuration files.

What is CVE-2021-27857?

The vulnerability allows a remote attacker to download configuration files without authentication by exploiting a flaw in the web management interface of affected FatPipe software versions.

The Impact of CVE-2021-27857

This vulnerability poses a high risk to the confidentiality of sensitive information as it permits remote and unauthenticated users to access configuration files.

Technical Details of CVE-2021-27857

The following technical details shed light on the nature of the vulnerability and its implications.

Vulnerability Description

The missing authorization vulnerability in FatPipe software versions earlier than 10.1.2r60p91 and 10.2.2r42 allows remote attackers to download configuration archives without authentication by knowing or guessing the target system's hostname, as it is used in the configuration archive file name.

Affected Systems and Versions

FatPipe WARP, IPVPN, and MPVPN software versions prior to 10.1.2r60p91 and 10.2.2r42 are affected by this vulnerability, exposing them to potential unauthorized access.

Exploitation Mechanism

The flaw in the web management interface can be leveraged by remote attackers who have knowledge or can guess the hostname of the target system to download configuration files without proper authentication.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-27857, certain immediate and long-term measures can be implemented.

Immediate Steps to Take

System administrators are advised to update FatPipe WARP, IPVPN, and MPVPN software to versions 10.1.2r60p91 and 10.2.2r42 or higher to address this vulnerability.

Long-Term Security Practices

Regularly monitoring and updating software versions, restricting access to sensitive configuration files, and employing network security best practices can enhance overall cybersecurity.

Patching and Updates

Stay informed about security advisories released by FatPipe Inc. and promptly apply patches and updates to ensure that systems are protected against known vulnerabilities.