CVE-2020-7113 : Security Advisory and Response

A vulnerability in ClearPass Policy Manager allows attackers to intercept and modify HTTP packets, compromising service accounts.

Understanding CVE-2020-7113

What is CVE-2020-7113?

This CVE identifies a flaw in ClearPass Policy Manager that enables attackers to manipulate HTTP packets, leading to the compromise of service accounts.

The Impact of CVE-2020-7113

The vulnerability allows unauthorized access to ClearPass service accounts, potentially resulting in data breaches and unauthorized system control.

Technical Details of CVE-2020-7113

Vulnerability Description

Attackers can intercept and alter parameters in HTTP packets during communication with the ClearPass management interface, compromising service accounts.

Affected Systems and Versions

ClearPass Policy Manager versions 6.8.x prior to 6.8.5
ClearPass Policy Manager versions 6.7.x prior to 6.7.13

Exploitation Mechanism

The vulnerability occurs when attackers intercept and modify HTTP packets, exploiting weaknesses in the communication process.

Mitigation and Prevention

Immediate Steps to Take

Update ClearPass Policy Manager to version 6.7.10, 6.8.1, 6.9.0, or higher to address the vulnerability.
Monitor network traffic for any suspicious activity that may indicate exploitation of the vulnerability.

Long-Term Security Practices

Implement secure communication protocols to prevent packet interception and tampering.
Regularly audit and review access controls to limit unauthorized access to sensitive systems.

Patching and Updates

Apply patches and updates provided by the vendor to ensure the security of ClearPass Policy Manager.