cisco-sa-asaftd-xss-multiple-FCB3vPZe: Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Services Interface Cross-Site Scripting Vulnerabilities
First published: Wed Oct 21 2020(Updated: )
Update June 28, 2021: Cisco has become aware that public exploit code exists for CVE-2020-3580, and this vulnerability is being actively exploited. 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. Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities. This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-xss-multiple-FCB3vPZe
Credit: the following security researchers:
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco ASA Software | =9.15<9.15.1.15=9.14<9.14.2.8=9.13<9.13.1.21>=9.10<=9.12<9.12.4.13=9.9<9.9.2.85>=Earlier than 9.6=9.6=9.7<=9.8<9.8.4.34 | 9.15.1.15 9.14.2.8 9.13.1.21 9.12.4.13 9.9.2.85 9.8.4.34 |
| Cisco FTD Software | >=6.5.0<=6.6.0<6.6.42>=Earlier than 6.2.2=6.2.2=6.2.3=6.3.0<=6.4.0<6.4.0.12 (May 2021) | 6.6.42 6.4.0.12 (May 2021) |
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Child vulnerabilities
(Contains the following vulnerabilities)
Frequently Asked Questions
What is Cisco ASA Software and Cisco FTD Software Web Services Interface XSS Multiple Vulnerability?
Multiple vulnerabilities in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack.
What is the severity of Cisco ASA Software and Cisco FTD Software Web Services Interface XSS Multiple Vulnerability?
The severity of Cisco ASA Software and Cisco FTD Software Web Services Interface XSS Multiple Vulnerability is medium with a CVSS score of 6.1.
Which versions of Cisco ASA Software are affected by this vulnerability?
The affected versions of Cisco ASA Software are 9.15 up to exclusive 9.15.1.15, 9.14 up to exclusive 9.14.2.8, 9.13 up to exclusive 9.13.1.21, 9.12 up to exclusive 9.12.4.13, 9.9 up to exclusive 9.9.2.85, and earlier versions before 9.6.
Which versions of Cisco FTD Software are affected by this vulnerability?
The affected versions of Cisco FTD Software are 6.5.0 up to inclusive 6.6.0, 6.2.2, 6.2.3, 6.3.0, up to 6.4.0 up to exclusive 6.4.0.12 (May 2021), and earlier versions before 6.2.2.
How do I fix Cisco ASA Software and Cisco FTD Software Web Services Interface XSS Multiple Vulnerability?
To fix the vulnerability, it is recommended to upgrade to Cisco ASA Software versions 9.15.1.15, 9.14.2.8, 9.13.1.21, 9.12.4.13, 9.9.2.85, or later, and Cisco FTD Software versions 6.6.42 or 6.4.0.12 (May 2021), or apply the necessary patches provided by Cisco.
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