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I. Basic Information for CVE-2021-40125
Vulnerability Information

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Vulnerability Title
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software IKEv2 Site-to-Site VPN Denial of Service Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the Internet Key Exchange Version 2 (IKEv2) implementation of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, remote attacker to trigger a denial of service (DoS) condition on an affected device. This vulnerability is due to improper control of a resource. An attacker with the ability to spoof a trusted IKEv2 site-to-site VPN peer and in possession of valid IKEv2 credentials for that peer could exploit this vulnerability by sending malformed, authenticated IKEv2 messages to an affected device. A successful exploit could allow the attacker to trigger a reload of the device.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
释放后使用
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco Firepower Threat Defense(FTD)和Cisco Adaptive Security Appliances Software(ASA Software) 资源管理错误漏洞
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)和Cisco Adaptive Security Appliances Software(ASA Software) 存在资源管理错误漏洞,该漏洞源于对资源的控制不当造成的。攻击者可利用该漏洞在受影响的设备上触发拒绝服务(DoS)条件。
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 Adaptive Security Appliance (ASA) Software n/a -
II. Public POCs for CVE-2021-40125
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III. Intelligence Information for CVE-2021-40125
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IV. Related Vulnerabilities
V. Comments for CVE-2021-40125

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