CVE-2020-3304: Input Validation
First published: Wed Oct 21 2020(Updated: )
A vulnerability in the web interface of Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. The vulnerability is due to a lack of proper input validation of HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. An exploit could allow the attacker to cause a DoS condition. Note: This vulnerability applies to IP Version 4 (IPv4) and IP Version 6 (IPv6) HTTP traffic.
Credit: ykramarz@cisco.com ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Adaptive Security Appliance | <9.6.4.45 | |
| 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 | >=9.8.0<9.8.4.22 | |
| Cisco Adaptive Security Appliance Software | >=9.9.0<9.9.2.80 | |
| Cisco Adaptive Security Appliance Software | >=9.10.0<9.10.1.44 | |
| Cisco Adaptive Security Appliance Software | >=9.12.0<9.12.3.12 | |
| Cisco Adaptive Security Appliance Software | >=9.13.0<9.13.1.12 | |
| Cisco Adaptive Security Appliance Software | >=9.14.0<9.14.1.10 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2020-3304.
What is the severity of CVE-2020-3304?
The severity of CVE-2020-3304 is high (8.6).
What software is affected by CVE-2020-3304?
The Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software versions up to 9.6.4.45 and 6.3.0.6 to 6.6.1 are affected by CVE-2020-3304.
How can an attacker exploit CVE-2020-3304?
An attacker can exploit CVE-2020-3304 by sending specially crafted HTTP packets to the affected device's web interface, causing it to reload unexpectedly and resulting in a denial of service (DoS) condition.
Is there a fix for CVE-2020-3304?
Yes, Cisco has released software updates to address the vulnerability. It is recommended to update to the latest version available for your software.
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- canonical/cisco firepower threat defense
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- version/cisco adaptive security appliance software/9.9.0
- version/cisco adaptive security appliance software/9.10.0
- version/cisco adaptive security appliance software/9.12.0
- version/cisco adaptive security appliance software/9.13.0
- version/cisco adaptive security appliance software/9.14.0