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I. Basic Information for CVE-2021-1495
Vulnerability Information

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Vulnerability Title
Multiple Cisco Products Snort HTTP Detection Engine File Policy Bypass Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Multiple Cisco products are affected by a vulnerability in 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 handling of specific HTTP header parameters. An attacker could exploit this vulnerability by sending crafted HTTP packets through an affected device. A successful exploit could allow the attacker to bypass a 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
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco Firepower Threat Defense 安全特征问题漏洞
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 存在安全特征问题漏洞,该漏洞源于对特定HTTP标头参数的不正确处理导致的。远程攻击者可以发送特制的HTTP数据包,以绕过针对HTTP数据包配置的文件策略,并传递恶意负载。以下产品及版本受到影响:Cisco Firepower Threat Defense (FTD): 6.2.2, 6.2.3, 6
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-2021-1495
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III. Intelligence Information for CVE-2021-1495
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IV. Related Vulnerabilities
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