CVE-2020-3583 : Security Advisory and Response

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

Understanding CVE-2020-3583

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-2020-3583?

The vulnerabilities stem from insufficient validation of user-supplied input by the web services interface, enabling attackers to execute arbitrary script code or access sensitive information.

The Impact of CVE-2020-3583

These vulnerabilities could lead to successful exploitation by attackers, potentially compromising the affected device and allowing unauthorized access to sensitive data.

Technical Details of CVE-2020-3583

The following technical details provide insight into the vulnerability and its implications.

Vulnerability Description

Type: Cross-Site Scripting (XSS)
Attack Vector: Network
Attack Complexity: Low
Privileges Required: None
User Interaction: Required
Scope: Changed

Affected Systems and Versions

Product: Cisco Adaptive Security Appliance (ASA) Software
Vendor: Cisco
Affected Version: n/a

Exploitation Mechanism

Attackers can exploit these vulnerabilities by convincing a user to click on a malicious link, enabling the execution of arbitrary script code.

Mitigation and Prevention

Taking immediate steps and implementing long-term security practices are crucial to mitigating the risks associated with CVE-2020-3583.

Immediate Steps to Take

Apply vendor-provided patches promptly.
Educate users about phishing tactics to prevent them from clicking on malicious links.

Long-Term Security Practices

Regularly update and patch all software and systems.
Implement network segmentation to limit the impact of potential attacks.

Patching and Updates

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