Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Adaptive Security Appliance | < 9.6.4.34 |
| Cisco | Adaptive Security Appliance Software | >= 9.7, < 9.8.4.10 |
| Cisco | Asa 5505 | - |
| Cisco | Asa 5510 | - |
| Cisco | Asa 5512-X | - |
| Cisco | Asa 5515-X | - |
| Cisco | Asa 5520 | - |
| Cisco | Asa 5525-X | - |
| Cisco | Asa 5550 | - |
| Cisco | Asa 5555-X | - |
| Cisco | Asa 5580 | - |
| Cisco | Asa 5585-X | - |
| Cisco | Firepower Threat Defense | < 6.3.0.5 |
Related Weaknesses (CWE)
References
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-aVendor Advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-aVendor Advisory
FAQ
What is CVE-2020-3306?
CVE-2020-3306 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 deni...
How severe is CVE-2020-3306?
CVE-2020-3306 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-3306?
Check the references section above for vendor advisories and patch information. Affected products include: Cisco Adaptive Security Appliance, Cisco Adaptive Security Appliance Software, Cisco Asa 5505, Cisco Asa 5510, Cisco Asa 5512-X.