CVE-2022-20767— Cisco Firepower Threat Defense 资源管理错误漏洞
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I. CVE-2022-20767の基本情報
脆弱性情報
脆弱性についてご質問がありますか？Shenlongの分析が参考になるかご確認ください！
Shenlongの10の質問を表示 ↗ 高度な大規模言語モデル技術を使用していますが、出力には不正確または古い情報が含まれる可能性があります。Shenlongはデータの正確性を確保するよう努めていますが、実際の状況に基づいて検証・判断してください。
脆弱性タイトル
Cisco Firepower Threat Defense Software DNS Enforcement Denial of Service Vulnerability
ソース: NVD (National Vulnerability Database)
脆弱性説明
A vulnerability in the Snort rule evaluation function of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper handling of the DNS reputation enforcement rule. An attacker could exploit this vulnerability by sending crafted UDP packets through an affected device to force a buildup of UDP connections. A successful exploit could allow the attacker to cause traffic that is going through the affected device to be dropped, resulting in a DoS condition. Note: This vulnerability only affects Cisco FTD devices that are running Snort 3.
ソース: NVD (National Vulnerability Database)
CVSS情報
CVSS:3.1/AV:N/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
资源管理错误
ソース: NVD (National Vulnerability Database)
脆弱性タイトル
Cisco Firepower Threat Defense 资源管理错误漏洞
ソース: CNNVD (China National Vulnerability Database)
脆弱性説明
Cisco Firepower Threat Defense（FTD）是美国思科（Cisco）公司的一套提供下一代防火墙服务的统一软件。 Cisco Firepower Threat Defense (FTD)存在资源管理错误漏洞，该漏洞源于对 DNS 信誉强制规则处理不当。攻击者可利用该漏洞在受影响的设备上造成拒绝服务条件 (DoS)。
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 Firepower Threat Defense Software | n/a | - |
II. CVE-2022-20767の公開POC
| # | POC説明 | ソースリンク | Shenlongリンク |
|---|
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- Cisco Firepower Threat Defense Software DNS Enforcement Denial of Service Vulnerabilityvendor-advisoryx_refsource_CISCO
- https://nvd.nist.gov/vuln/detail/CVE-2022-20767
Same Patch Batch · Cisco · 2022-05-03 · 19 CVEs total
| CVE-2022-20759 | 8.8 HIGH | Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Servi |
| CVE-2022-20746 | 8.6 HIGH | Cisco Firepower Threat Defense Software TCP Proxy Denial of Service Vulnerability |
| CVE-2022-20715 | 8.6 HIGH | Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Remote Ac |
| CVE-2022-20751 | 8.6 HIGH | Cisco Firepower Threat Defense Software Snort Out of Memory Denial of Service Vulnerabilit |
| CVE-2022-20757 | 8.6 HIGH | Cisco Firepower Threat Defense Software Denial of Service Vulnerability |
| CVE-2022-20760 | 8.6 HIGH | Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software DNS Inspe |
| CVE-2022-20745 | 8.6 HIGH | Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Servi |
| CVE-2022-20737 | 8.5 HIGH | Cisco Adaptive Security Appliance Software Clientless SSL VPN Heap Overflow Vulnerability |
| CVE-2022-20742 | 7.4 HIGH | Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software IPsec IKE |
| CVE-2022-20743 | 6.5 MEDIUM | Cisco Firepower Management Center File Upload Security Bypass Vulnerability |
| CVE-2022-20740 | 6.1 MEDIUM | Cisco Firepower Management Center Software Cross-Site Scripting Vulnerability |
| CVE-2022-20629 | 5.4 MEDIUM | Cisco Firepower Management Center Software Cross-Site Scripting Vulnerabilities |
| CVE-2022-20628 | 5.4 MEDIUM | Cisco Firepower Management Center Software Cross-Site Scripting Vulnerabilities |
| CVE-2022-20627 | 5.4 MEDIUM | Cisco Firepower Management Center Software Cross-Site Scripting Vulnerabilities |
| CVE-2022-20748 | 5.3 MEDIUM | Cisco Firepower Threat Defense Software Local Malware Analysis Denial of Service Vulnerabi |
| CVE-2022-20729 | 4.4 MEDIUM | Cisco Firepower Threat Defense Software XML Injection Vulnerability |
| CVE-2022-20730 | 4.0 MEDIUM | Cisco Firepower Threat Defense Software Security Intelligence DNS Feed Bypass Vulnerabilit |
| CVE-2022-20744 | Cisco Firepower Management Center Software Information Disclosure Vulnerability |
IV. 関連脆弱性
- CVE-2025-20268
Cisco Secure Firewall Threat Defense Software Geolocation Re - CVE-2025-20222
Cisco Adaptive Security Appliance Software and Firepower Thr - CVE-2025-20217
Cisco Firepower Threat Defense Intrusion Detection Denial of - CVE-2021-1494
Snort 安全漏洞 - CVE-2021-34753
Cisco Firepower Threat Defense Ethernet Industrial Protocol
同じベンダー: Cisco
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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-2022-20767へのコメント
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