CVE-2024-20481
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I. Basic Information for CVE-2024-20481
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the Remote Access VPN (RAVPN) service of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) of the RAVPN service. This vulnerability is due to resource exhaustion. An attacker could exploit this vulnerability by sending a large number of VPN authentication requests to an affected device. A successful exploit could allow the attacker to exhaust resources, resulting in a DoS of the RAVPN service on the affected device. Depending on the impact of the attack, a reload of the device may be required to restore the RAVPN service. Services that are not related to VPN are not affected. Cisco Talos discussed these attacks in the blog post Large-scale brute-force activity targeting VPNs, SSH services with commonly used login credentials.
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:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
对已超过有效生命周期的资源丧失索引
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco Firepower Threat Defense和Cisco Adaptive Security Appliance 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Firepower Threat Defense（FTD）和Cisco Adaptive Security Appliance都是美国思科（Cisco）公司的产品。Cisco Firepower Threat Defense是一套提供下一代防火墙服务的统一软件。Cisco Adaptive Security Appliance是一个网络设备。用于保护各种规模的公司网络和数据中心。 Cisco Firepower Threat Defense和Cisco Adaptive Security Ap
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)
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Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Cisco | Cisco Adaptive Security Appliance (ASA) Software | 9.8.1 | - | |
| Cisco | Cisco Firepower Threat Defense Software | 6.2.3 | - |
II. Public POCs for CVE-2024-20481
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Cisco · 2024-10-23 · 52 CVEs total
| CVE-2024-20424 | 9.9 CRITICAL | Cisco Secure Firewall Management Center 安全漏洞 |
| CVE-2024-20329 | 9.9 CRITICAL | Cisco Adaptive Security Appliance Software Remote Command Injection Vulnerability |
| CVE-2024-20412 | 9.3 CRITICAL | Cisco Firepower Threat Defense 安全漏洞 |
| CVE-2024-20351 | 8.6 HIGH | Cisco Firepower Threat Defense Software Snort Firewall Denial of Service Vulnerability |
| CVE-2024-20260 | 8.6 HIGH | Cisco Adaptive Security Virtual Appliance and Secure Firewall Threat Defense Virtual SSL V |
| CVE-2024-20494 | 8.6 HIGH | Cisco Firepower Threat Defense和Cisco Adaptive Security Appliance 安全漏洞 |
| CVE-2024-20426 | 8.6 HIGH | Cisco Firepower Threat Defense和Cisco Adaptive Security Appliance 安全漏洞 |
| CVE-2024-20330 | 8.6 HIGH | Cisco Firepower Threat Defense Software for Cisco Firepower 2100 Series TCP UDP Snort 2 an |
| CVE-2024-20339 | 8.6 HIGH | Cisco Firepower Threat Defense Software for Firepower 2100 Series TLS Denial of Service Vu |
| CVE-2024-20402 | 8.6 HIGH | Cisco Firepower Threat Defense和Cisco Adaptive Security Appliance 安全漏洞 |
| CVE-2024-20495 | 8.6 HIGH | Cisco Firepower Threat Defense和Cisco Adaptive Security Appliance 安全漏洞 |
| CVE-2024-20268 | 7.7 HIGH | Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software SNMP Deni |
| CVE-2024-20408 | 7.7 HIGH | Cisco Firepower Threat Defense和Cisco Adaptive Security Appliance 安全漏洞 |
| CVE-2024-20275 | 6.8 MEDIUM | Cisco Secure Firewall Management Center Software Backup Cluster Command Injection Vulnerab |
| CVE-2024-20331 | 6.8 MEDIUM | Cisco Adaptive Security Appliance and Firepower Threat Defense Software VPN Authentication |
| CVE-2024-20471 | 6.5 MEDIUM | Cisco Secure Firewall Management Center 安全漏洞 |
| CVE-2024-20379 | 6.5 MEDIUM | Cisco Secure Firewall Management Center 安全漏洞 |
| CVE-2024-20374 | 6.5 MEDIUM | Cisco Secure Firewall Management Center 安全漏洞 |
| CVE-2024-20482 | 6.5 MEDIUM | Cisco Secure Firewall Management Center 安全漏洞 |
| CVE-2024-20472 | 6.5 MEDIUM | Cisco Secure Firewall Management Center 安全漏洞 |
Showing top 20 of 52 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Cisco Adaptive Security Appliance (ASA) Software
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Cisco Secure Firewall Adaptive Security Appliance and Cisco
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Same weakness: CWE-772
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Memory leak in code preparing DNSSEC proofs of non-existence - CVE-2026-2261
blocklistd(8) socket leak - CVE-2026-20082
Cisco Secure Firewall Adaptive Security Appliance 安全漏洞 - CVE-2026-2359
Multer vulnerable to Denial of Service via resource exhausti - CVE-2025-14969
Hibernate-reactive-core: hibernate reactive: denial of servi
V. Comments for CVE-2024-20481
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