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CVE-2024-20339— Cisco Firepower Threat Defense Software for Firepower 2100 Series TLS Denial of Service Vulnerability

Quick assessment

Affected
Cisco Cisco Firepower Threat Defense Software
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Cisco Firepower Threat Defense（FTD）是美国思科（Cisco）公司的一套提供下一代防火墙服务的统一软件。 Cisco Firepower Threat Defense存在安全漏洞。攻击者利用该漏洞导致系统拒绝服务。

CVSS 8.6 · High EPSS 0.71% · P52

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2024-20339

Vulnerability Information
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Vulnerability Title
Cisco Firepower Threat Defense Software for Firepower 2100 Series TLS Denial of Service Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the TLS processing feature of Cisco Firepower Threat Defense (FTD) Software for Cisco Firepower 2100 Series could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to an issue that occurs when TLS traffic is processed. An attacker could exploit this vulnerability by sending certain TLS traffic over IPv4 through an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition and impacting traffic to and through the affected device.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Firepower Threat Defense 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Firepower Threat Defense（FTD）是美国思科（Cisco）公司的一套提供下一代防火墙服务的统一软件。 Cisco Firepower Threat Defense存在安全漏洞。攻击者利用该漏洞导致系统拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Cisco Cisco Firepower Threat Defense Software 6.2.3 -

II. Public POCs for CVE-2024-20339

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III. Intelligence Information for CVE-2024-20339

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Vendor Advisories for CVE-2024-20339 (1)

Same Patch Batch · Cisco · 2024-10-23 · 52 CVEs total

CVE-2024-20329 9.9 CRITICAL Cisco Adaptive Security Appliance Software Remote Command Injection Vulnerability
CVE-2024-20424 9.9 CRITICAL Cisco Secure Firewall Management Center 安全漏洞
CVE-2024-20412 9.3 CRITICAL Cisco Firepower Threat Defense 安全漏洞
CVE-2024-20351 8.6 HIGH Cisco Firepower Threat Defense Software Snort Firewall Denial of Service Vulnerability
CVE-2024-20260 8.6 HIGH Cisco Adaptive Security Virtual Appliance and Secure Firewall Threat Defense Virtual SSL V
CVE-2024-20494 8.6 HIGH Cisco Firepower Threat Defense和Cisco Adaptive Security Appliance 安全漏洞
CVE-2024-20426 8.6 HIGH Cisco Firepower Threat Defense和Cisco Adaptive Security Appliance 安全漏洞
CVE-2024-20330 8.6 HIGH Cisco Firepower Threat Defense Software for Cisco Firepower 2100 Series TCP UDP Snort 2 an
CVE-2024-20402 8.6 HIGH Cisco Firepower Threat Defense和Cisco Adaptive Security Appliance 安全漏洞
CVE-2024-20495 8.6 HIGH Cisco Firepower Threat Defense和Cisco Adaptive Security Appliance 安全漏洞
CVE-2024-20268 7.7 HIGH Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software SNMP Deni
CVE-2024-20408 7.7 HIGH Cisco Firepower Threat Defense和Cisco Adaptive Security Appliance 安全漏洞
CVE-2024-20275 6.8 MEDIUM Cisco Secure Firewall Management Center Software Backup Cluster Command Injection Vulnerab
CVE-2024-20331 6.8 MEDIUM Cisco Adaptive Security Appliance and Firepower Threat Defense Software VPN Authentication
CVE-2024-20482 6.5 MEDIUM Cisco Secure Firewall Management Center 安全漏洞
CVE-2024-20340 6.5 MEDIUM Cisco Secure Firewall Management Center 安全漏洞
CVE-2024-20471 6.5 MEDIUM Cisco Secure Firewall Management Center 安全漏洞
CVE-2024-20473 6.5 MEDIUM Cisco Secure Firewall Management Center 安全漏洞
CVE-2024-20374 6.5 MEDIUM Cisco Secure Firewall Management Center 安全漏洞
CVE-2024-20472 6.5 MEDIUM Cisco Secure Firewall Management Center 安全漏洞

Showing top 20 of 52 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Cisco Firepower Threat Defense Software
Same vendor: Cisco
Same weakness: CWE-476

V. Comments for CVE-2024-20339

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