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Cisco Adaptive Security Appliance (ASA) Software — Vulnerabilities & Security Advisories 157

All 157 CVE vulnerabilities found in Cisco Adaptive Security Appliance (ASA) Software, with AI-generated Chinese analysis, references, and POCs.

This page provides a comprehensive overview of security vulnerabilities affecting the Cisco Adaptive Security Appliance software, categorized by their respective Common Weakness Enumerations. It aggregates a wide range of security flaws, including privilege escalation, remote code execution, cross-site scripting, and denial of service issues that have been identified within the product’s codebase. The coverage spans from early releases up to the most recent versions, ensuring that historical data and current threats are accessible in one centralized location. By browsing this resource, users can efficiently track vendor advisories issued by Cisco regarding specific security patches and updates. It also allows security professionals to understand the broader context of particular weakness classes by seeing how they manifest in enterprise-grade firewall environments. Additionally, individuals can look up a product's vulnerability history to assess the long-term security posture and maintenance practices associated with this critical network infrastructure component. This structured approach helps administrators prioritize remediation efforts by highlighting the severity and impact of each issue. The data is organized to facilitate quick reference for security analysts and IT operators who need to evaluate risks associated with their existing deployments. By providing clear mappings between technical weaknesses and product versions, this page serves as a vital tool for maintaining network security integrity. Users can compare different versions to determine if their current software installation is susceptible to known exploits. This information is essential for conducting thorough risk assessments and ensuring compliance with internal security policies.

Vendor: Cisco

CVE IDTitleCVSSSeverityPublished
CVE-2025-20263 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Services Buffer Overflow Denial of Service Vulnerability CWE-680 8.6 High2025-08-14
CVE-2025-20254 Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 安全漏洞 CWE-401 5.8 Medium2025-08-14
CVE-2025-20253 Cisco IOS, IOS XE, Secure Firewall Adaptive Security Appliance, and Secure Firewall Threat Defense Software IKEv2 Denial of Service Vulnerability CWE-835 8.6 High2025-08-14
CVE-2025-20252 Cisco Secure Firewall Management Center和Cisco Secure Firewall Adaptive Security Appliance 安全漏洞 CWE-401 5.8 Medium2025-08-14
CVE-2025-20244 Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access VPN Web Server Denial of Service Vulnerability CWE-1287 7.7 High2025-08-14
CVE-2025-20251 Cisco Secure Firewall Adaptive Security Appliance and Cisco Secure Firewall Threat Defense Software Authenticated Arbitrary File Deletion CWE-1287 8.5 High2025-08-14
CVE-2025-20243 Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access SSL VPN Denial of Service Vulnerability CWE-835 8.6 High2025-08-14
CVE-2025-20237 Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 安全漏洞 CWE-146 6.0 Medium2025-08-14
CVE-2025-20238 Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 安全漏洞 CWE-1244 6.0 Medium2025-08-14
CVE-2025-20224 Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 安全漏洞 CWE-401 5.8 Medium2025-08-14
CVE-2025-20219 Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Access Control Bypass Vulnerability CWE-284 5.3 Medium2025-08-14
CVE-2025-20136 Cisco Adaptive Security Appliance and Firepower Threat Defense Software Network Address Translation DNS Inspection Denial of Service Vulnerability CWE-835 8.6 High2025-08-14
CVE-2025-20135 Cisco Adaptive Security Appliance and Firepower Threat Defense Software DHCP Denial of Service Vulnerability CWE-401 4.3 Medium2025-08-14
CVE-2025-20133 Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access SSL VPN Authentication Targeted Denial of Service Vulnerability CWE-401 8.6 High2025-08-14
CVE-2025-20134 Cisco Adaptive Security Appliance and Firepower Threat Defense Software SSL/TLS Certificate Denial of Service Vulnerability CWE-415 8.6 High2025-08-14
CVE-2025-20127 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software for Firepower 3100 and 4200 Series TLS Cipher Denial of Service Vulnerability CWE-404 7.7 High2025-08-14
CVE-2025-20182 Cisco Adaptive Security Appliance Software, Firepower Threat Defense Software and IOS XE Software IKEv2 Denial of Service Vulnerability CWE-787 8.6 High2025-05-07
CVE-2020-27124 Cisco Adaptive Security Appliance Software SSL/TLS Denial of Service Vulnerability CWE-457 8.6 High2024-11-18
CVE-2021-1444 Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software Web Services Interface Cross-Site Scripting Vulnerability CWE-79 6.1 Medium2024-11-18
CVE-2024-20526 Cisco Adaptive Security Appliance 安全漏洞 CWE-400 5.3 Medium2024-10-23
CVE-2024-20495 Cisco Firepower Threat Defense和Cisco Adaptive Security Appliance 安全漏洞 CWE-20 8.6 High2024-10-23
CVE-2024-20494 Cisco Firepower Threat Defense和Cisco Adaptive Security Appliance 安全漏洞 CWE-1287 8.6 High2024-10-23
CVE-2024-20493 Cisco Firepower Threat Defense和Cisco Adaptive Security Appliance 安全漏洞 CWE-772 5.3 Medium2024-10-23
CVE-2024-20485 Cisco Firepower Threat Defense和Cisco Adaptive Security Appliance 安全漏洞 CWE-94 6.0 Medium2024-10-23
CVE-2024-20481 Cisco Firepower Threat Defense和Cisco Adaptive Security Appliance 安全漏洞 CWE-772 5.8 Medium2024-10-23
CVE-2024-20426 Cisco Firepower Threat Defense和Cisco Adaptive Security Appliance 安全漏洞 CWE-476 8.6 High2024-10-23
CVE-2024-20408 Cisco Firepower Threat Defense和Cisco Adaptive Security Appliance 安全漏洞 CWE-1287 7.7 High2024-10-23
CVE-2024-20402 Cisco Firepower Threat Defense和Cisco Adaptive Security Appliance 安全漏洞 CWE-788 8.6 High2024-10-23
CVE-2024-20384 Cisco Firepower Threat Defense和Cisco Adaptive Security Appliance 安全漏洞 CWE-290 5.8 Medium2024-10-23
CVE-2024-20382 Cisco Firepower Threat Defense和Cisco Adaptive Security Appliance 安全漏洞 CWE-80 6.1 Medium2024-10-23

All 157 known CVE vulnerabilities affecting Cisco Adaptive Security Appliance (ASA) Software with full Chinese analysis, references, and POCs where available.