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I. Basic Information for CVE-2021-1224
Vulnerability Information

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Vulnerability Title
Multiple Cisco Products Snort TCP Fast Open File Policy Bypass Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Multiple Cisco products are affected by a vulnerability with TCP Fast Open (TFO) when used in conjunction with the Snort detection engine that could allow an unauthenticated, remote attacker to bypass a configured file policy for HTTP. The vulnerability is due to incorrect detection of the HTTP payload if it is contained at least partially within the TFO connection handshake. An attacker could exploit this vulnerability by sending crafted TFO packets with an HTTP payload through an affected device. A successful exploit could allow the attacker to bypass configured file policy for HTTP packets and deliver a malicious payload.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
保护机制失效
Source: NVD (National Vulnerability Database)
Vulnerability Title
多款Cisco产品安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Firepower Threat Defense(FTD)和Cisco 3000 Series Industrial Security Appliances都是美国思科(Cisco)公司的产品。Cisco Firepower Threat Defense是一套提供下一代防火墙服务的统一软件。Cisco 3000 Series Industrial Security Appliances是3000系列工业防火墙。 Cisco 多款产品存在安全漏洞,该漏洞源于错误地检测了HTTP有效载荷,攻击者可
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
VendorProductAffected VersionsCPESubscribe
CiscoCisco Firepower Threat Defense Software n/a -
II. Public POCs for CVE-2021-1224
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III. Intelligence Information for CVE-2021-1224
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IV. Related Vulnerabilities
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