CVE-2024-20480
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I. Basic Information for CVE-2024-20480
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the DHCP Snooping feature of Cisco IOS XE Software on Software-Defined Access (SD-Access) fabric edge nodes could allow an unauthenticated, remote attacker to cause high CPU utilization on an affected device, resulting in a denial of service (DoS) condition that requires a manual reload to recover. This vulnerability is due to improper handling of IPv4 DHCP packets. An attacker could exploit this vulnerability by sending certain IPv4 DHCP packets to an affected device. A successful exploit could allow the attacker to cause the device to exhaust CPU resources and stop processing traffic, resulting in a DoS condition that requires a manual reload to recover.
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
操作符优先级逻辑错误
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco IOS XE Software 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco IOS XE Software是美国思科（Cisco）公司的一个操作系统。用于企业有线和无线访问，汇聚，核心和WAN的单一操作系统，Cisco IOS XE降低了业务和网络的复杂性。 Cisco IOS XE Software存在安全漏洞，该漏洞源于 IPv4 DHCP 数据包处理不当。
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 IOS XE Software | 16.1.1 | - |
II. Public POCs for CVE-2024-20480
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Cisco · 2024-09-25 · 15 CVEs total
| CVE-2024-20467 | 8.6 HIGH | Cisco IOS XE Software 安全漏洞 |
| CVE-2024-20464 | 8.6 HIGH | Cisco IOS XE Software 安全漏洞 |
| CVE-2024-20436 | 8.6 HIGH | Cisco IOS XE Software 安全漏洞 |
| CVE-2024-20433 | 8.6 HIGH | Cisco IOS XE Software 安全漏洞 |
| CVE-2024-20455 | 8.6 HIGH | Cisco IOS XE Software 安全漏洞 |
| CVE-2024-20437 | 8.1 HIGH | Cisco IOS XE Software 安全漏洞 |
| CVE-2024-20350 | 7.5 HIGH | Cisco Catalyst Center Static SSH Host Key Vulnerability |
| CVE-2024-20414 | 6.5 MEDIUM | Cisco IOS XE Software 安全漏洞 |
| CVE-2024-20475 | 6.4 MEDIUM | Cisco SD-WAN vManage Cross-Site Scripting Vulnerability |
| CVE-2024-20496 | 6.1 MEDIUM | Cisco SD-WAN vEdge Routers Denial of Service Vulnerability |
| CVE-2024-20465 | 5.8 MEDIUM | Cisco IOS 安全漏洞 |
| CVE-2024-20508 | 5.8 MEDIUM | Cisco UTD Snort IPS Engine Software for Cisco IOS XE Software Security Policy Bypass and D |
| CVE-2024-20510 | 4.7 MEDIUM | Cisco IOS XE Software 安全漏洞 |
| CVE-2024-20434 | 4.3 MEDIUM | Cisco IOS XE Software 安全漏洞 |
IV. Related Vulnerabilities
Same vendor: Cisco
- CVE-2026-20219
Cisco Slido 安全漏洞 - CVE-2026-20034
Cisco Unity Connection Remote Code Execution Vulnerability - CVE-2026-20035
Cisco Unity Connection Server-Side Request Forgery Vulnerabi - CVE-2026-20167
Cisco IoT Field Network Director Remote Device Denial of Ser - CVE-2026-20169
Cisco IoT Field Network Director Command Injection Vulnerabi
Same weakness: CWE-783
V. Comments for CVE-2024-20480
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