CVE-2020-3583: Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Services Interface Cross-Site Scripting Vulnerabilities
First published: Wed Oct 21 2020(Updated: )
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 against a user of the web services interface of an affected device. The vulnerabilities are due to insufficient validation of user-supplied input by the web services interface of an affected device. An attacker could exploit these vulnerabilities by persuading a user of the interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the interface or allow the attacker to access sensitive, browser-based information. Note: These vulnerabilities affect only specific AnyConnect and WebVPN configurations. For more information, see the Vulnerable Products section.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Firepower Threat Defense | <6.3.0.6 | |
| Cisco Firepower Threat Defense | >=6.4.0<6.4.0.10 | |
| Cisco Firepower Threat Defense | >=6.5.0<6.5.0.5 | |
| Cisco Firepower Threat Defense | >=6.6.0<6.6.1 | |
| Cisco Adaptive Security Appliance Software | >=9.7<9.8.4.29 | |
| Cisco Adaptive Security Appliance Software | >=9.9<9.9.2.80 | |
| Cisco Adaptive Security Appliance Software | >=9.10<9.10.1.44 | |
| Cisco Adaptive Security Appliance Software | >=9.12<9.12.4.4 | |
| Cisco Adaptive Security Appliance Software | >=9.13<9.13.1.13 | |
| Cisco Adaptive Security Appliance Software | >=9.14<9.14.1.30 |
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Reference Links
Frequently Asked Questions
What is CVE-2020-3583?
CVE-2020-3583 is a vulnerability in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software that could allow an unauthenticated, remote attacker to conduct cross-site scripting (XSS) attacks.
What is the severity of CVE-2020-3583?
CVE-2020-3583 has a severity level of medium, with a CVSS base score of 6.1.
Which software versions are affected by CVE-2020-3583?
CVE-2020-3583 affects Cisco Adaptive Security Appliance Software versions 9.7 and above, as well as Cisco Firepower Threat Defense Software versions 6.3.0.6 to 6.6.1.
How can an attacker exploit CVE-2020-3583?
An attacker can exploit CVE-2020-3583 by conducting cross-site scripting (XSS) attacks against a user of the web services interface of the affected Cisco ASA or FTD software.
Where can I find more information about CVE-2020-3583?
More information about CVE-2020-3583 can be found on the official Cisco Security Advisory page at the following link: [Link](https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-xss-multiple-FCB3vPZe).
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