CVE-2020-3572

CWE-400 — Uncontrolled Resource ConsumptionCWE-401 — Memory Leak4 documents4 sources
Severity
8.6HIGH
EPSS
1.9%
top 16.96%
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/TLS session handler 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 an affected device. The vulnerability is due to a memory leak when closing SSL/TLS connections in a specific state. An attacker could exploit this vulnerability by establishing several SSL/TLS sessions and ensuring they are closed under certain conditions…

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 Packages4 packages

▶NVDcisco/firepower_threat_defense6.4.0 — 6.4.0.10+2

🔴Vulnerability Details

2
GHSA
GHSA-jq5v-m468-x8ph: A vulnerability in the SSL/TLS session handler of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software c↗2022-05-24
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CVEList
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software SSL/TLS Session Denial of Service Vulnerability↗2020-10-21
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📋Vendor Advisories

1
Cisco
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software SSL/TLS Session Denial of Service Vulnerability↗2020-10-21
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CVE-2020-3572 (HIGH CVSS 8.6) | A vulnerability in the SSL/TLS sess | cvebase.io