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CVE-2022-20757— Cisco Firepower Threat Defense Software 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 (FTD)存在安全漏洞，该漏洞源于达到平台限制时不正确的流量处理。攻击者可以通过向受影响的设备发送高速率的 UDP 流量来造成拒绝服务 (DoS) 状况。

CVSS 8.6 · High EPSS 1.25% · P68

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2022-20757

Vulnerability Information
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Vulnerability Title
Cisco Firepower Threat Defense Software Denial of Service Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the connection handling function in 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 is due to improper traffic handling when platform limits are reached. An attacker could exploit this vulnerability by sending a high rate of UDP traffic through an affected device. A successful exploit could allow the attacker to cause all new, incoming connections to be dropped, resulting in a DoS condition.
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
不加限制或调节的资源分配
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 (FTD)存在安全漏洞，该漏洞源于达到平台限制时不正确的流量处理。攻击者可以通过向受影响的设备发送高速率的 UDP 流量来造成拒绝服务 (DoS) 状况。
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 n/a -

II. Public POCs for CVE-2022-20757

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III. Intelligence Information for CVE-2022-20757

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Vendor Advisories for CVE-2022-20757 (1)

Same Patch Batch · Cisco · 2022-05-03 · 19 CVEs total

CVE-2022-20759 8.8 HIGH Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Servi
CVE-2022-20746 8.6 HIGH Cisco Firepower Threat Defense Software TCP Proxy Denial of Service Vulnerability
CVE-2022-20715 8.6 HIGH Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Remote Ac
CVE-2022-20751 8.6 HIGH Cisco Firepower Threat Defense Software Snort Out of Memory Denial of Service Vulnerabilit
CVE-2022-20760 8.6 HIGH Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software DNS Inspe
CVE-2022-20767 8.6 HIGH Cisco Firepower Threat Defense Software DNS Enforcement Denial of Service Vulnerability
CVE-2022-20745 8.6 HIGH Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Servi
CVE-2022-20737 8.5 HIGH Cisco Adaptive Security Appliance Software Clientless SSL VPN Heap Overflow Vulnerability
CVE-2022-20742 7.4 HIGH Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software IPsec IKE
CVE-2022-20743 6.5 MEDIUM Cisco Firepower Management Center File Upload Security Bypass Vulnerability
CVE-2022-20740 6.1 MEDIUM Cisco Firepower Management Center Software Cross-Site Scripting Vulnerability
CVE-2022-20629 5.4 MEDIUM Cisco Firepower Management Center Software Cross-Site Scripting Vulnerabilities
CVE-2022-20628 5.4 MEDIUM Cisco Firepower Management Center Software Cross-Site Scripting Vulnerabilities
CVE-2022-20627 5.4 MEDIUM Cisco Firepower Management Center Software Cross-Site Scripting Vulnerabilities
CVE-2022-20748 5.3 MEDIUM Cisco Firepower Threat Defense Software Local Malware Analysis Denial of Service Vulnerabi
CVE-2022-20729 4.4 MEDIUM Cisco Firepower Threat Defense Software XML Injection Vulnerability
CVE-2022-20730 4.0 MEDIUM Cisco Firepower Threat Defense Software Security Intelligence DNS Feed Bypass Vulnerabilit
CVE-2022-20744 Cisco Firepower Management Center Software Information Disclosure Vulnerability

IV. Related Vulnerabilities

Same product: Cisco Firepower Threat Defense Software
Same vendor: Cisco
Same weakness: CWE-770

V. Comments for CVE-2022-20757

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