CVE-2020-3554: Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Denial of Service Vulnerability
First published: Wed Oct 21 2020(Updated: )
A vulnerability in the TCP packet processing of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to a memory exhaustion condition. An attacker could exploit this vulnerability by sending a high rate of crafted TCP traffic through an affected device. A successful exploit could allow the attacker to exhaust device resources, resulting in a DoS condition for traffic transiting the affected device.
Credit: ykramarz@cisco.com ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Adaptive Security Appliance | <9.12.4.3 | |
| Cisco Firepower Threat Defense | <=6.2.2 | |
| Cisco Firepower Threat Defense | >=6.3.0<6.4.0.10 | |
| Cisco Firepower Threat Defense | >=6.5.0<6.5.0.5 | |
| Cisco Firepower Threat Defense | =6.6.0 | |
| Cisco Adaptive Security Appliance Software | >=9.13.0<9.13.1.13 | |
| Cisco Adaptive Security Appliance Software | >=9.14.0<9.14.1.30 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID for this vulnerability?
The vulnerability ID for this vulnerability is CVE-2020-3554.
What is the severity of CVE-2020-3554?
The severity of CVE-2020-3554 is high.
What is the affected software for CVE-2020-3554?
The affected software for CVE-2020-3554 includes Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software.
How can an attacker exploit CVE-2020-3554?
An attacker can exploit CVE-2020-3554 by sending specially crafted TCP packets to the affected device.
Is there a fix available for CVE-2020-3554?
Yes, Cisco has released software updates to address the vulnerability. Please refer to the Cisco Security Advisory for more information.
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- vendor/cisco
- canonical/cisco adaptive security appliance
- canonical/cisco firepower threat defense
- version/cisco firepower threat defense/6.2.2
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- canonical/cisco adaptive security appliance software
- version/cisco adaptive security appliance software/9.13.0
- version/cisco adaptive security appliance software/9.14.0