CVE-2020-3580 : What You Need to Know

Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Services Interface Cross-Site Scripting Vulnerabilities

Understanding CVE-2020-3580

Multiple vulnerabilities in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to conduct cross-site scripting (XSS) attacks.

What is CVE-2020-3580?

The vulnerabilities in the web services interface of Cisco ASA and FTD Software allow attackers to execute arbitrary script code or access sensitive information by exploiting insufficient validation of user input.

The Impact of CVE-2020-3580

These vulnerabilities could lead to successful XSS attacks against users of affected devices, potentially compromising sensitive information.

Technical Details of CVE-2020-3580

Vulnerability Description

The vulnerabilities stem from inadequate validation of user-supplied input in the web services interface, enabling attackers to execute XSS attacks.

Affected Systems and Versions

Product: Cisco Adaptive Security Appliance (ASA) Software
Vendor: Cisco
Versions: Not applicable (n/a)

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: None
User Interaction: Required
Scope: Changed
CVSS Base Score: 6.1 (Medium)
Vector String: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Mitigation and Prevention

Immediate Steps to Take

Apply vendor-provided patches and updates promptly.
Restrict access to the web services interface to authorized users only.
Educate users about the risks of clicking on unverified links.

Long-Term Security Practices

Regularly monitor and update security configurations.
Conduct security training for employees to enhance awareness of social engineering tactics.

Patching and Updates

Refer to the vendor's security advisory for specific patch details and instructions.