CVE-2025-20111— Cisco Nexus 3000 and 9000 Series Switches Layer 2 Ethernet Denial of Service Vulnerability
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I. Basic Information for CVE-2025-20111
Vulnerability Information
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Vulnerability Title
Cisco Nexus 3000 and 9000 Series Switches Layer 2 Ethernet Denial of Service Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the health monitoring diagnostics of Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches in standalone NX-OS mode could allow an unauthenticated, adjacent attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to the incorrect handling of specific Ethernet frames. An attacker could exploit this vulnerability by sending a sustained rate of crafted Ethernet frames to an affected device. A successful exploit could allow the attacker to cause the device to reload.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
CWE-1220
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco Nexus 3000 Series Switches和Cisco Nexus 9000 Series Switches 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Nexus 3000 Series Switches和Cisco Nexus 9000 Series Switches都是美国思科（Cisco）公司的产品。Cisco Nexus 3000 Series Switches是一款3000系列交换机。Cisco Nexus 9000 Series Switches是一款9000系列交换机。 Cisco Nexus 3000 Series Switches和Cisco Nexus 9000 Series Switches存在安全漏洞，该漏洞源于特定以
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 | 9.3(2) | - |
II. Public POCs for CVE-2025-20111
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Cisco · 2025-02-26 · 6 CVEs total
| CVE-2025-20119 | 6.0 MEDIUM | Cisco Application Policy Infrastructure Controller Authenticated Local Denial of Service V |
| CVE-2025-20117 | 5.1 MEDIUM | Cisco Application Policy Infrastructure Controller Authenticated Command Injection Vulnera |
| CVE-2025-20161 | 5.1 MEDIUM | Cisco NX-OS Software Command Injection Vulnerability |
| CVE-2025-20116 | 4.8 MEDIUM | Cisco Application Policy Infrastructure Controller Stored Cross-Site Scripting Vulnerabili |
| CVE-2025-20118 | 4.4 MEDIUM | Cisco Application Policy Infrastructure Controller Authenticated Command Injection Due to |
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V. Comments for CVE-2025-20111
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