CVE-2020-3529 — Uncontrolled Resource Consumption in Cisco Adaptive Security Appliance

CWE-400 — Uncontrolled Resource Consumption5 documents5 sources
Severity
7.5HIGHNVD
CNA8.6VulnCheck8.6
EPSS
1.3%
top 20.17%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Cisco Adaptive Security ApplianceCisco Adaptive Security Appliance SoftwareCisco Firepower Threat Defense+1 more
Timeline
PublishedOct 21
Latest updateMay 24

Description

A vulnerability in the SSL VPN negotiation process for Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a reload of an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to inefficient direct memory access (DMA) memory management during the negotiation phase of an SSL VPN connection. An attacker could exploit this vulnerability by sending a steady st…

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages4 packages

▶NVDcisco/firepower_threat_defense6.4.0 — 6.4.0.10+3

🔴Vulnerability Details

3
GHSA
GHSA-xwcw-m39w-gg87: A vulnerability in the SSL VPN negotiation process for Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Softw↗2022-05-24
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CVEList
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software SSL VPN Direct Memory Access Denial of Service Vulnerability↗2020-10-21
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VulnCheck
Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) Uncontrolled Resource Consumption↗2020
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📋Vendor Advisories

1
Cisco
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software SSL VPN Direct Memory Access Denial of Service Vulnerability↗2020-10-21
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CVE-2020-3529 — Uncontrolled Resource Consumption | cvebase