CVE-2020-26075 : What You Need to Know

A vulnerability in the REST API of Cisco IoT Field Network Director (FND) could allow an authenticated, remote attacker to gain access to the back-end database of an affected device.

Understanding CVE-2020-26075

This CVE involves an insufficient input validation vulnerability in the REST API of Cisco IoT Field Network Director (FND), potentially leading to unauthorized access to the device's database.

What is CVE-2020-26075?

The vulnerability in the REST API of Cisco IoT Field Network Director (FND) allows a remote attacker to exploit insufficient input validation, gaining unauthorized access to the back-end database of the affected device.

The Impact of CVE-2020-26075

The vulnerability poses a medium severity risk, with a CVSS base score of 6.3. If successfully exploited, an attacker could access sensitive data stored in the back-end database of the affected device.

Technical Details of CVE-2020-26075

This section provides detailed technical insights into the vulnerability.

Vulnerability Description

The vulnerability stems from inadequate input validation of REST API requests to the affected device, enabling attackers to craft malicious requests and access the back-end database.

Affected Systems and Versions

Product: Cisco IoT Field Network Director (IoT-FND)
Vendor: Cisco
Version: Not applicable

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: Low
User Interaction: None
Scope: Unchanged
Vector String: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Mitigation and Prevention

Protecting systems from CVE-2020-26075 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply vendor-provided patches or updates promptly.
Monitor network traffic for any suspicious activity.
Restrict access to the affected device's REST API.

Long-Term Security Practices

Regularly update and patch all software and firmware.
Conduct security assessments and penetration testing.
Educate users on secure API usage and best practices.

Patching and Updates

Cisco may release security advisories with patches or mitigations.
Stay informed about security updates from Cisco and apply them as soon as they are available.