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I. Basic Information for CVE-2021-1373
Vulnerability Information

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Vulnerability Title
Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family CAPWAP Denial of Service Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the Control and Provisioning of Wireless Access Points (CAPWAP) protocol processing of Cisco IOS XE Wireless Controller Software for the Cisco Catalyst 9000 Family Wireless Controllers could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition of an affected device. The vulnerability is due to insufficient validation of CAPWAP packets. An attacker could exploit this vulnerability by sending a malformed CAPWAP packet to an affected device. A successful exploit could allow the attacker to cause the affected device to crash and reload, resulting in a DoS condition.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
缓冲区上溢读取
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco Catalyst 9000 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Catalyst 9000是美国思科(Cisco)公司的一个交换机。 Cisco Catalyst 9000 Family Wireless Controllers 存在安全漏洞,该漏洞源于CAPWAP数据包验证不足。攻击者可利用该漏洞导致受影响设备的拒绝服务(DoS)状态。
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 IOS XE Software n/a -
II. Public POCs for CVE-2021-1373
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III. Intelligence Information for CVE-2021-1373
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IV. Related Vulnerabilities
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