CVE-2021-40117

CWE-119 — Buffer OverflowCWE-400 — Uncontrolled Resource Consumption4 documents4 sources
Severity
7.5HIGH
EPSS
0.4%
top 38.72%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
12
Cisco Adaptive Security ApplianceCisco Adaptive Security Appliance SoftwareCisco Firepower Threat Defense+9 more
Timeline
PublishedOct 27
Latest updateMay 24

Description

A vulnerability in SSL/TLS message handler for 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. This vulnerability exists because incoming SSL/TLS packets are not properly processed. An attacker could exploit this vulnerability by sending a crafted SSL/TLS packet to an affected device. A successful exploit could allow the attacker t…

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 Packages12 packages

▶NVDcisco/firepower_threat_defense6.3.0 — 6.4.0.13+4
▶NVDcisco/asa_5505_firmware009.009\(002.085\), 009.014\(002.106\)+1

🔴Vulnerability Details

2
GHSA
GHSA-x7cf-699f-fpwc: A vulnerability in SSL/TLS message handler for Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software coul↗2022-05-24
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CVEList
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software SSL/TLS Denial of Service Vulnerability↗2021-10-27
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📋Vendor Advisories

1
Cisco
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software SSL/TLS Denial of Service Vulnerability↗2021-10-27
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CVE-2021-40117 (HIGH CVSS 7.5) | A vulnerability in SSL/TLS message | cvebase.io