CVE-2020-3302 : Vulnerability Insights and Analysis

A vulnerability in the web UI of Cisco Firepower Management Center (FMC) Software could allow an authenticated, remote attacker to overwrite files on the file system of an affected device.

Understanding CVE-2020-3302

This CVE involves a security flaw in Cisco Firepower Management Center (FMC) Software that could be exploited by an authenticated remote attacker to manipulate files on the affected device.

What is CVE-2020-3302?

The vulnerability in the web UI of Cisco FMC Software allows attackers to upload malicious files, leading to unauthorized overwriting of files on the device's file system due to inadequate input validation.

The Impact of CVE-2020-3302

The vulnerability poses a medium-severity risk with a CVSS base score of 6.8. If successfully exploited, it could result in high integrity and availability impact on the affected device.

Technical Details of CVE-2020-3302

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The flaw arises from insufficient input validation in the web UI of Cisco FMC Software, enabling attackers to upload crafted files and overwrite system files.

Affected Systems and Versions

Product: Cisco Firepower Management Center
Vendor: Cisco
Affected Version: n/a

Exploitation Mechanism

Attackers can exploit this vulnerability by uploading a specially crafted file through the web UI of the affected device, leading to unauthorized file overwriting.

Mitigation and Prevention

Protecting systems from CVE-2020-3302 requires immediate actions and long-term security measures.

Immediate Steps to Take

Apply vendor-released patches or updates promptly to mitigate the vulnerability.
Monitor network traffic for any suspicious activities that could indicate an exploit attempt.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Implement network segmentation and access controls to limit the impact of potential attacks.

Patching and Updates

Cisco may release security advisories with patches to address the vulnerability. Stay informed about these updates and apply them as soon as they are available.