Resource exhaustion in Cisco Adaptive Security Appliance

CVE-2020-3303

A vulnerability in the Internet Key Exchange version 1 (IKEv1) feature 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. The vulnerability is due to improper management of system memory. An attacker could exploit this vulnerability by sending malicious IKEv1 traffic to an affected device. A successful exploit could allow the attacker to cause a DoS condition on the affected device.

EPSS: 0.012 (67.0th 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)

References

Frequently asked questions

What is CVE-2020-3303?
CVE-2020-3303 is a high-severity vulnerability in Cisco Adaptive Security Appliance, classified under CWE-399. CVSS score: 7.5/10. Published 2020-05-06.
How severe is CVE-2020-3303?
High severity. CVSS v3 base score is 7.5 out of 10.