CVE-2021-34753— Cisco Firepower Threat Defense Ethernet Industrial Protocol Policy Bypass Vulnerabilities
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I. Basic Information for CVE-2021-34753
Vulnerability Information
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Vulnerability Title
Cisco Firepower Threat Defense Ethernet Industrial Protocol Policy Bypass Vulnerabilities
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the payload inspection for Ethernet Industrial Protocol (ENIP) traffic for Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass configured rules for ENIP traffic. This vulnerability is due to incomplete processing during deep packet inspection for ENIP packets. An attacker could exploit this vulnerability by sending a crafted ENIP packet to the targeted interface. A successful exploit could allow the attacker to bypass configured access control and intrusion policies that should trigger and drop for the ENIP packet.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/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 Firepower Threat Defense 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
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 Software 存在访问控制错误漏洞，该漏洞源于在对 ENIP 数据包进行深度数据包检查期间处理不完整造成的。攻击者可以通过向目标接口发送精心制作的 ENIP 数据包来利用这些漏洞。成功的利用可能允许攻击者绕过应该为 ENIP 数据包激活的配置访问控制和入侵策略。
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 Firepower Threat Defense Software | N/A | - |
II. Public POCs for CVE-2021-34753
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|---|
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Same Patch Batch · Cisco · 2024-11-15 · 50 CVEs total
| CVE-2023-20036 | 9.9 CRITICAL | Cisco Industrial Network Director Command Injection Vulnerability |
| CVE-2023-20154 | 9.1 CRITICAL | Cisco Modeling Labs External Authentication Bypass Vulnerability |
| CVE-2022-20655 | 8.8 HIGH | Cisco 多款产品操作系统命令注入漏洞 |
| CVE-2023-20125 | 8.6 HIGH | Cisco BroadWorks Network Server TCP Denial of Service Vulnerability |
| CVE-2022-20649 | 8.1 HIGH | Cisco Redundancy Configuration Manager Debug Remote Code Execution Vulnerability |
| CVE-2022-20685 | 7.5 HIGH | Multiple Cisco Products Snort Modbus Denial of Service Vulnerability |
| CVE-2022-20853 | 7.4 HIGH | Cisco Expressway Series and Cisco TelePresence VCS Cross-Site Request Forgery Vulnerabilit |
| CVE-2022-20814 | 7.4 HIGH | Cisco Expressway Series and Cisco TelePresence VCS Improper Certificate Validation Vulnera |
| CVE-2022-20793 | 6.8 MEDIUM | Cisco Touch 10 Device Insufficient Identity Verification Vulnerability |
| CVE-2021-34752 | 6.7 MEDIUM | Cisco Firepower Threat Defense Command Injection Vulnerabilities |
| CVE-2023-20090 | 6.7 MEDIUM | Cisco TelePresence Collaboration Endpoint and RoomOS Software Privilege Escalation Vulnera |
| CVE-2022-20931 | 6.5 MEDIUM | Cisco Touch 10 Device Downgrade Attack Vulnerability |
| CVE-2022-20656 | 6.5 MEDIUM | Cisco Prime Infrastructure and Cisco Evolved Programmable Network Manager Path Traversal V |
| CVE-2021-1484 | 6.5 MEDIUM | Cisco SD-WAN vManage Command Injection Vulnerability |
| CVE-2022-20652 | 6.5 MEDIUM | Cisco Tetration Command Injection Vulnerability |
| CVE-2021-1482 | 6.4 MEDIUM | Cisco SD-WAN vManage Authorization Bypass Vulnerability |
| CVE-2021-1483 | 6.4 MEDIUM | Cisco SD-WAN vManage Software XML External Entity Vulnerability |
| CVE-2022-20871 | 6.3 MEDIUM | Cisco Secure Web Appliance Privilege Escalation Vulnerability |
| CVE-2022-20849 | 6.1 MEDIUM | Cisco IOS XR Software Broadband Network Gateway PPPoE Denial of Service Vulnerability |
| CVE-2022-20657 | 6.1 MEDIUM | Cisco Prime Infrastructure and Cisco Evolved Programmable Network Manager Cross-Site Scrip |
Showing top 20 of 50 CVEs. View all on vendor page → →
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V. Comments for CVE-2021-34753
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