CVE-2020-3333 : Security Advisory and Response

A vulnerability in the API of Cisco Application Services Engine Software could allow an unauthenticated, remote attacker to update event policies on an affected device.

Understanding CVE-2020-3333

This CVE involves a security flaw in Cisco Application Services Engine Software that could be exploited by attackers to manipulate event policies on vulnerable devices.

What is CVE-2020-3333?

The vulnerability stems from inadequate user authentication when modifying policies on the affected device, enabling attackers to send crafted HTTP requests to execute unauthorized updates.

The Impact of CVE-2020-3333

If successfully exploited, this vulnerability could permit threat actors to alter event policies on the compromised device, potentially leading to unauthorized changes and disruptions.

Technical Details of CVE-2020-3333

This section delves into the specific technical aspects of the CVE.

Vulnerability Description

The vulnerability allows unauthenticated remote attackers to update event policies on affected devices due to insufficient user authentication during policy modifications.

Affected Systems and Versions

Product: Cisco Application Policy Infrastructure Controller (APIC)
Vendor: Cisco
Version: Not applicable

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious HTTP requests to communicate with the affected device, enabling them to manipulate event policies.

Mitigation and Prevention

Protective measures and actions to mitigate the risks associated with CVE-2020-3333.

Immediate Steps to Take

Apply vendor-provided patches or updates promptly to address the vulnerability.
Implement network segmentation to limit the impact of potential attacks.
Monitor network traffic for any suspicious activity that could indicate exploitation attempts.

Long-Term Security Practices

Enhance user authentication mechanisms to prevent unauthorized policy modifications.
Conduct regular security assessments and audits to identify and address vulnerabilities proactively.
Educate users and administrators about best practices for secure device configuration and management.

Patching and Updates

Regularly check for security advisories and updates from Cisco to ensure that systems are protected against known vulnerabilities.