CVE-2020-3563Uncontrolled Resource Consumption in Cisco Firepower Threat Defense

Severity
8.6HIGHNVD
EPSS
1.2%
top 21.43%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedOct 21
Latest updateMay 24

Description

A vulnerability in the packet processing functionality of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to inefficient memory management. An attacker could exploit this vulnerability by sending a large number of TCP packets to a specific port on an affected device. A successful exploit could allow the attacker to exhaust system memory, which could cause the

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:HExploitability: 3.9 | Impact: 4.0

Affected Packages2 packages

🔴Vulnerability Details

2
GHSA
GHSA-x72c-fv45-75v9: A vulnerability in the packet processing functionality of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacke2022-05-24
CVEList
Cisco Firepower Threat Defense Software TCP Flood Denial of Service Vulnerability2020-10-21

📋Vendor Advisories

1
Cisco
Cisco Firepower Threat Defense Software TCP Flood Denial of Service Vulnerability2020-10-21
CVE-2020-3563 — Uncontrolled Resource Consumption | cvebase