CVE-2024-20319
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I. Basic Information for CVE-2024-20319
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the UDP forwarding code of Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to bypass configured management plane protection policies and access the Simple Network Management Plane (SNMP) server of an affected device. This vulnerability is due to incorrect UDP forwarding programming when using SNMP with management plane protection. An attacker could exploit this vulnerability by attempting to perform an SNMP operation using broadcast as the destination address that could be processed by an affected device that is configured with an SNMP server. A successful exploit could allow the attacker to communicate to the device on the configured SNMP ports. Although an unauthenticated attacker could send UDP datagrams to the configured SNMP port, only an authenticated user can retrieve or modify data using SNMP requests.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
访问控制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco IOS XR 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco IOS XR是美国思科（Cisco）公司的一套为其网络设备开发的操作系统。 Cisco IOS XR 存在安全漏洞，该漏洞源于 UDP 转发代码中存在安全漏洞，可能允许未经身份验证的相邻攻击者绕过管理平面保护策略并访问受影响设备的 SNMP服务器。
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 XR Software | 5.2.0 | - |
II. Public POCs for CVE-2024-20319
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Cisco · 2024-03-13 · 8 CVEs total
| CVE-2024-20320 | 7.8 HIGH | Cisco IOS XR 安全漏洞 |
| CVE-2024-20318 | 7.4 HIGH | Cisco IOS XR 安全漏洞 |
| CVE-2024-20327 | 7.4 HIGH | Cisco ASR 9000 安全漏洞 |
| CVE-2024-20262 | 6.5 MEDIUM | Cisco IOS XR 安全漏洞 |
| CVE-2024-20315 | 5.8 MEDIUM | Cisco IOS XR 安全漏洞 |
| CVE-2024-20322 | 5.8 MEDIUM | Cisco IOS XR 安全漏洞 |
| CVE-2024-20266 | 5.3 MEDIUM | Cisco IOS XR Software 安全漏洞 |
IV. Related Vulnerabilities
Same product: Cisco IOS XR Software
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Cisco IOS XR Software CLI Privilege Escalation Vulnerability - CVE-2026-20074
Cisco IOS XR Software Multi-Instance Intermediate System-to- - CVE-2026-20040
Cisco IOS XR Software CLI Privilege Escalation Vulnerability - CVE-2025-20340
Cisco IOS XR Address Resolution Protocol Broadcast Storm Vul
Same vendor: Cisco
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Cisco IoT Field Network Director Remote Device Denial of Ser - CVE-2026-20169
Cisco IoT Field Network Director Command Injection Vulnerabi
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V. Comments for CVE-2024-20319
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