What is CVE-2020-3306?

CVE-2020-3306 is a high-severity vulnerability in Cisco Adaptive Security Appliance, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2020-05-06.

How severe is CVE-2020-3306?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Cisco Adaptive Security Appliance

CVE-2020-3306

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.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.012 (65.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2020-3306?: CVE-2020-3306 is a high-severity vulnerability in Cisco Adaptive Security Appliance, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2020-05-06.
How severe is CVE-2020-3306?: High severity. CVSS v3 base score is 7.5 out of 10.