CVE-2020-9289 : Exploit Details and Defense Strategies

A vulnerability in Fortinet FortiManager versions 6.2.3 and below could allow an attacker to decrypt sensitive data due to the use of a hard-coded cryptographic key.

Understanding CVE-2020-9289

This CVE involves an information disclosure risk in Fortinet FortiManager.

What is CVE-2020-9289?

The vulnerability stems from a hard-coded cryptographic key used to encrypt password data in CLI configuration, potentially enabling unauthorized access to sensitive information.

The Impact of CVE-2020-9289

The exploitation of this vulnerability could lead to the decryption of confidential data by malicious actors with access to the CLI configuration or backup files.

Technical Details of CVE-2020-9289

This section delves into the specifics of the vulnerability.

Vulnerability Description

The flaw allows attackers to decrypt password data in FortiManager versions 6.2.3 and below using a hard-coded key, posing a significant security risk.

Affected Systems and Versions

Product: Fortinet FortiManager
Versions Affected: FortiManager 6.2.3 and below

Exploitation Mechanism

Attackers with access to CLI configuration or backup files can exploit the hard-coded key to decrypt sensitive data.

Mitigation and Prevention

Protecting systems from CVE-2020-9289 is crucial for maintaining security.

Immediate Steps to Take

Update FortiManager to a patched version that addresses the vulnerability.
Monitor and restrict access to CLI configuration and backup files.

Long-Term Security Practices

Implement strong encryption practices for sensitive data.
Regularly review and update security configurations to prevent similar vulnerabilities.

Patching and Updates

Ensure timely installation of security patches provided by Fortinet to mitigate the CVE-2020-9289 vulnerability.