CVE-2020-3306
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Cisco Adaptive Security Appliance
PublishedMay 6, 2020
First seenMay 6, 2020
Weakness typeCWE-400Uncontrolled resource consumption
How to fix
Update
- cisco adaptive_security_appliance9.6.4.34 or later
- cisco adaptive_security_appliance_software9.8.4.10, 9.10.1.30, 9.12.3 or later
- cisco secure_firewall_threat_defense6.3.0.5, 6.4.0.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| cisco adaptive_security_appliance | v < 9.6.4.34 | 9.6.4.34 |
| cisco adaptive_security_appliance_software | 9.7 ≤ v < 9.8.4.10, 9.9 ≤ v < 9.10.1.30, 9.12 ≤ v < 9.12.3 | 9.8.4.10, 9.10.1.30, 9.12.3 |
| cisco secure_firewall_threat_defense | v < 6.3.0.5, 6.4.0 ≤ v < 6.4.0.4 | 6.3.0.5, 6.4.0.4 |
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