Vulnerability · Published May 6, 2020 · Assigned by cisco

CVE-2020-3306Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software DHCP Denial of Service Vulnerability

Medium 6.8

In plain English

A medium-severity uncontrolled resource consumption in Cisco Adaptive Security Appliance (ASA) Software from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 69% of all known vulnerabilities).

Severity (CVSS 3.0)6.8Medium

Exploit odds (30 days)1.2%top 30.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
Cisco	Cisco Adaptive Security Appliance (ASA) Software	n/a

Weakness: CWE-400 · Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H

References

20200506 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software DHCP Denial of Service Vulnerability vendor-advisory, x_refsource_CISCO