CVE-2021-27859 : Exploit Details and Defense Strategies

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 an authenticated, remote attacker with read-only privileges to create an account with administrative privileges. This vulnerability has a CVSS base score of 8.8, indicating a high severity level.

Understanding CVE-2021-27859

This CVE describes a missing authorization vulnerability in FatPipe software that could be exploited by an authenticated remote attacker.

What is CVE-2021-27859?

The CVE-2021-27859 vulnerability in FatPipe WARP, IPVPN, and MPVPN software versions prior to 10.1.2r60p91 and 10.2.2r42 allows a remote attacker with read-only privileges to create an account with administrative access. This poses a significant security risk to affected systems.

The Impact of CVE-2021-27859

The impact of this vulnerability is classified as high, affecting the confidentiality, integrity, and availability of the system. The attacker can gain unauthorized access and potentially compromise sensitive data.

Technical Details of CVE-2021-27859

This section provides detailed technical information about the CVE-2021-27859 vulnerability.

Vulnerability Description

The missing authorization vulnerability in FatPipe software allows an authenticated attacker with limited privileges to elevate their access level to administrative privileges.

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. It is crucial for users of these versions to take immediate action.

Exploitation Mechanism

An authenticated attacker can exploit this vulnerability through the web management interface, bypassing the intended access restrictions to gain unauthorized administrative privileges.

Mitigation and Prevention

Protecting systems from CVE-2021-27859 requires immediate action to mitigate the security risks posed by this vulnerability.

Immediate Steps to Take

Users should update their FatPipe software to versions 10.1.2r60p91 or 10.2.2r42 to patch the missing authorization vulnerability. Additionally, review and update user access privileges to prevent unauthorized account creation.

Long-Term Security Practices

Implementing strong authentication mechanisms, regular security updates, and monitoring access control are essential long-term security practices to prevent similar vulnerabilities.

Patching and Updates

Regularly check for security updates from FatPipe and apply patches promptly to address known vulnerabilities and enhance system security.