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CVE-2023-41841 Explained : Impact and Mitigation

Learn about CVE-2023-41841, an improper authorization vulnerability in Fortinet FortiOS 7.0.0 - 7.0.11 and 7.2.0 - 7.2.4 allowing unauthorized privilege escalation. Find mitigation steps and solutions.

This article provides insights into CVE-2023-41841, an improper authorization vulnerability in Fortinet FortiOS that allows an attacker to perform elevated actions.

Understanding CVE-2023-41841

CVE-2023-41841 is an improper authorization vulnerability impacting Fortinet FortiOS versions 7.0.0 - 7.0.11 and 7.2.0 - 7.2.4, enabling an attacker with prof-admin profile access to execute elevated actions.

What is CVE-2023-41841?

This vulnerability allows unauthorized users to escalate their privileges within the Fortinet FortiOS environment, potentially leading to unauthorized access and malicious activities.

The Impact of CVE-2023-41841

The vulnerability poses a high integrity impact, allowing attackers to perform elevated actions within the network, compromising the security and integrity of the system.

Technical Details of CVE-2023-41841

The vulnerability is categorized as an 'Escalation of privilege' with a CVSS v3.1 base score of 7.4, indicating a high severity issue with low attack complexity and network exploitable vector.

Vulnerability Description

CVE-2023-41841 enables attackers with prof-admin profile access to perform actions beyond their authorization level, potentially leading to system compromise.

Affected Systems and Versions

Fortinet FortiOS versions 7.0.0 - 7.0.11 and 7.2.0 - 7.2.4 are affected by this vulnerability, exposing systems running these versions to unauthorized privilege escalation.

Exploitation Mechanism

Attackers belonging to the prof-admin profile can exploit this vulnerability to gain elevated access within the Fortinet FortiOS environment, posing a significant security risk.

Mitigation and Prevention

To address CVE-2023-41841 and enhance system security, immediate steps and long-term security practices are recommended.

Immediate Steps to Take

Users are advised to upgrade to FortiOS version 7.4.0 or higher, 7.2.5 or higher, or 7.0.12 or higher to mitigate the vulnerability and prevent unauthorized privilege escalation.

Long-Term Security Practices

Implementing robust access control policies, conducting regular security assessments, and staying updated with security patches are crucial for maintaining a secure Fortinet FortiOS environment.

Patching and Updates

Fortinet recommends applying the latest patches and updates to FortiOS to address CVE-2023-41841 and fortify the security posture of the network.

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