CVE-2020-3306: Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software DHCP Denial of Service Vulnerability
First published: Wed May 06 2020(Updated: )
A vulnerability in the DHCP module 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 the affected device. The vulnerability is due to incorrect processing of certain DHCP packets. An attacker could exploit this vulnerability by sending a crafted DHCP packet to the affected device. A successful exploit could allow the attacker to cause a DoS condition on the affected device.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Adaptive Security Appliance Software | <9.6.4.34 | |
| Cisco Adaptive Security Appliance Software | >=9.7<9.8.4.10 | |
| Cisco Adaptive Security Appliance Software | >=9.9<9.10.1.30 | |
| Cisco Adaptive Security Appliance Software | >=9.12<9.12.3 | |
| Cisco ASA 5505 Firmware | ||
| Cisco ASA 5510 firmware | ||
| Cisco ASA 5512-X Firmware | ||
| Cisco ASA 5515-X Firmware | ||
| Cisco ASA Software | ||
| Cisco ASA Software | ||
| Cisco ASA 5550 firmware | ||
| Cisco ASA 5555-X Firmware | ||
| Cisco ASA 5580 Firmware | ||
| Cisco ASA 5585-X | ||
| Cisco Secure Firewall Threat Defense | <6.3.0.5 | |
| Cisco Secure Firewall Threat Defense | >=6.4.0<6.4.0.4 |
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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-2020-3306.
What is the severity level of CVE-2020-3306?
CVE-2020-3306 has a severity level of high.
Which software products are affected by CVE-2020-3306?
CVE-2020-3306 affects Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software.
What is the impact of CVE-2020-3306?
CVE-2020-3306 can cause a denial of service (DoS) condition on the affected device.
Is authentication required for exploiting CVE-2020-3306?
No, CVE-2020-3306 can be exploited by an unauthenticated, remote attacker.
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- canonical/cisco adaptive security appliance software
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- version/cisco adaptive security appliance software/9.9
- version/cisco adaptive security appliance software/9.12
- canonical/cisco asa 5505 firmware
- canonical/cisco asa 5510 firmware
- canonical/cisco asa 5512-x firmware
- canonical/cisco asa 5515-x firmware
- canonical/cisco asa software
- canonical/cisco asa 5550 firmware
- canonical/cisco asa 5555-x firmware
- canonical/cisco asa 5580 firmware
- canonical/cisco asa 5585-x
- canonical/cisco secure firewall threat defense
- version/cisco secure firewall threat defense/6.4.0