CVE-2024-20317— Cisco IOS XR 安全漏洞
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I. CVE-2024-20317の基本情報
脆弱性情報
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脆弱性タイトル
Cisco IOS XR Software Layer 2 Services Denial of Service Vulnerability
ソース: NVD (National Vulnerability Database)
脆弱性説明
A vulnerability in the handling of specific Ethernet frames by Cisco IOS XR Software for various Cisco Network Convergence System (NCS) platforms could allow an unauthenticated, adjacent attacker to cause critical priority packets to be dropped, resulting in a denial of service (DoS) condition. This vulnerability is due to incorrect classification of certain types of Ethernet frames that are received on an interface. An attacker could exploit this vulnerability by sending specific types of Ethernet frames to or through the affected device. A successful exploit could allow the attacker to cause control plane protocol relationships to fail, resulting in a DoS condition. For more information, see the section of this advisory. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
ソース: NVD (National Vulnerability Database)
CVSS情報
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
ソース: NVD (National Vulnerability Database)
脆弱性タイプ
特定函数功能的不正确供给
ソース: NVD (National Vulnerability Database)
脆弱性タイトル
Cisco IOS XR 安全漏洞
ソース: CNNVD (China National Vulnerability Database)
脆弱性説明
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，该漏洞源于对接口上接收的某些类型的以太网帧进行了错误分类。
ソース: CNNVD (China National Vulnerability Database)
CVSS情報
N/A
ソース: CNNVD (China National Vulnerability Database)
脆弱性タイプ
N/A
ソース: CNNVD (China National Vulnerability Database)
影響を受ける製品
| ベンダー | プロダクト | 影響を受けるバージョン | CPE | 購読 |
|---|---|---|---|---|
| Cisco | Cisco IOS XR Software | 7.7.1 | - |
II. CVE-2024-20317の公開POC
| # | POC説明 | ソースリンク | Shenlongリンク |
|---|
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Same Patch Batch · Cisco · 2024-09-11 · 9 CVEs total
| CVE-2024-20381 | 8.8 HIGH | Cisco Network Services Orchestrator Configuration Update Authorization Bypass Vulnerabilit |
| CVE-2024-20398 | 8.8 HIGH | Cisco IOS XR Software Local Privilege Escalation Vulnerability |
| CVE-2024-20304 | 8.6 HIGH | Cisco IOS XR Software Packet Memory Exhaustion Vulnerability |
| CVE-2024-20489 | 8.4 HIGH | Cisco Routed Passive Optical Network Cleartext Password Vulnerability |
| CVE-2024-20406 | 7.4 HIGH | Cisco IOS XR Software Intermediate System-to-Intermediate System Denial of Service Vulnera |
| CVE-2024-20483 | 7.2 HIGH | Cisco IOS XR PON Controller Command Injection Vulnerabilities |
| CVE-2024-20343 | 5.5 MEDIUM | Cisco IOS XR Software CLI Arbitrary File Read Vulnerability |
| CVE-2024-20390 | 5.3 MEDIUM | Cisco IOS XR Software Dedicated XML Agent TCP Denial of Service Vulnerability |
IV. 関連脆弱性
同じ製品: Cisco IOS XR Software
- CVE-2026-20118
Cisco IOS-XR NCS 5500 and NCS 5700 Egress Packet Network Int - CVE-2026-20046
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
同じベンダー: 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
V. CVE-2024-20317へのコメント
まだコメントはありません