CVE-2022-20624— Cisco NX-OS Software Cisco Fabric Services Over IP Denial of Service Vulnerability
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I. Basic Information for CVE-2022-20624
Vulnerability Information
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Vulnerability Title
Cisco NX-OS Software Cisco Fabric Services Over IP Denial of Service Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the Cisco Fabric Services over IP (CFSoIP) feature of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient validation of incoming CFSoIP packets. An attacker could exploit this vulnerability by sending crafted CFSoIP packets to an affected device. A successful exploit could allow the attacker to cause the affected device to 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
未加控制的资源消耗(资源穷尽)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco NX-OS Software 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco NX-OS Software是美国思科（Cisco）公司的一套交换机使用的数据中心级操作系统软件。 Cisco NX-OS Software 存在输入验证错误漏洞，该漏洞源于Cisco NX-OS软件的Cisco Fabric Services over IP (CFSoIP)特性存在漏洞。攻击者可利用该漏洞在受影响的设备上造成拒绝服务(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 NX-OS Software | n/a | - |
II. Public POCs for CVE-2022-20624
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cfsoip-dos-tpykyDrvendor-advisoryx_refsource_CISCO
- https://nvd.nist.gov/vuln/detail/CVE-2022-20624
Same Patch Batch · Cisco · 2022-02-23 · 4 CVEs total
| CVE-2022-20650 | 8.8 HIGH | Cisco NX-OS Software NX-API Command Injection Vulnerability |
| CVE-2022-20623 | 8.6 HIGH | Cisco Nexus 9000 Series Switches Bidirectional Forwarding Detection Denial of Service Vuln |
| CVE-2022-20625 | 4.3 MEDIUM | Cisco FXOS and NX-OS Software Cisco Discovery Protocol Service Denial of Service Vulnerabi |
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V. Comments for CVE-2022-20624
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