CVE-2021-27858 : Security Advisory and Response

A missing authorization vulnerability in the web management interface of FatPipe WARP, IPVPN, and MPVPN software has been identified. Read on to understand the impact, technical details, and mitigation steps for CVE-2021-27858.

Understanding CVE-2021-27858

This CVE details a missing authorization vulnerability in FatPipe software, affecting versions prior to 10.1.2r60p91 and 10.2.2r42.

What is CVE-2021-27858?

The vulnerability allows a remote attacker to access the URL "/fpui/jsp/index.jsp", potentially leading to a violation of confidentiality. Older versions of FatPipe software may also be vulnerable.

The Impact of CVE-2021-27858

The CVSS base score of this vulnerability is 5.3, with a medium severity rating. It has a low confidentiality impact and does not require privileges for exploitation.

Technical Details of CVE-2021-27858

This section provides more insight into the vulnerability, the affected systems, and how it can be exploited.

Vulnerability Description

CVE-2021-27858 is classified as a missing authorization vulnerability, identified with the CWE-862 code.

Affected Systems and Versions

FatPipe WARP, IPVPN, and MPVPN software versions prior to 10.1.2r60p91 and 10.2.2r42 are impacted by this vulnerability.

Exploitation Mechanism

The vulnerability can be exploited by a remote attacker accessing the specific URL mentioned, potentially breaching confidentiality.

Mitigation and Prevention

To safeguard your systems from CVE-2021-27858, follow the immediate steps and adhere to long-term security practices.

Immediate Steps to Take

It is recommended to update the affected FatPipe software to versions 10.1.2r60p91 and 10.2.2r42. Additionally, monitor for any unauthorized access.

Long-Term Security Practices

Enhance system security by implementing access controls, regular security assessments, and employee training on cybersecurity best practices.

Patching and Updates

Stay informed about security patches released by FatPipe and apply them promptly to mitigate the risk of this vulnerability.