Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-20106

Quick assessment

Affected
Cisco Cisco Secure Firewall Adaptive Security Appliance (ASA) Software
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense都是美国思科（Cisco）公司的产品。Cisco Secure Firewall Adaptive Security Appliance是一个企业级防火墙软件。Cisco Secure Firewall Threat Defense是一个集成式防火墙平台。 Cisco Secure Firewall Adaptive Security

CVSS 5.3 · Medium EPSS 0.32% · P25

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-20106

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the Remote Access SSL VPN, HTTP management and MUS functionality, of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to exhaust device memory resulting in a denial of service (DoS) condition requiring a manual reboot. This vulnerability is due to trusting user input without validation. An attacker could exploit this vulnerability by sending crafted packets to the Remote Access SSL VPN server. A successful exploit could allow the attacker to cause the device to stop responding, resulting in a DoS condition.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
在移除最后引用时对内存的释放不恰当(内存泄露)
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense都是美国思科（Cisco）公司的产品。Cisco Secure Firewall Adaptive Security Appliance是一个企业级防火墙软件。Cisco Secure Firewall Threat Defense是一个集成式防火墙平台。 Cisco Secure Firewall Adaptive Security
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 Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.1 -
Cisco Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0 -

II. Public POCs for CVE-2026-20106

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-20106

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-20106 (1)

Same Patch Batch · Cisco · 2026-03-04 · 50 CVEs total

CVE-2026-20079 10.0 CRITICAL Cisco Secure Firewall Management Center Authentication Bypass Remote Code Execution Vulner
CVE-2026-20131 10.0 CRITICAL Cisco Secure Firewall Management Center Software Remote Code Execution Vulnerability
CVE-2026-20103 8.6 HIGH Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 安全漏
CVE-2026-20101 8.6 HIGH Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure FTD Software 安全特征问题漏洞
CVE-2026-20082 8.6 HIGH Cisco Secure Firewall Adaptive Security Appliance 安全漏洞
CVE-2026-20039 8.6 HIGH Cisco Adaptive Security Appliance and Firepower Threat Defense Software SSL VPN Authentica
CVE-2026-20002 8.1 HIGH Cisco Secure Firewall Management Center SQL注入漏洞
CVE-2026-20014 7.7 HIGH Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 安全漏
CVE-2026-20105 7.7 HIGH Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 安全漏
CVE-2026-20100 7.7 HIGH Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 安全漏
CVE-2026-20049 7.7 HIGH Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 安全漏
CVE-2026-20062 7.2 HIGH Cisco Secure Firewall Adaptive Security Appliance 安全漏洞
CVE-2026-20050 6.8 MEDIUM Cisco Secure Firewall Threat Defense Decryption Policy Denial of Service Vulnerability
CVE-2026-20020 6.8 MEDIUM Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 输入验
CVE-2026-20024 6.8 MEDIUM Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 缓冲区
CVE-2026-20025 6.8 MEDIUM Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 输入验
CVE-2026-20064 6.5 MEDIUM Cisco Secure Firewall Threat Defense 代码问题漏洞
CVE-2026-20001 6.5 MEDIUM Cisco Secure Firewall Management Center Software SQL Injection Vulnerabilities
CVE-2026-20022 6.1 MEDIUM Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 安全漏
CVE-2026-20023 6.1 MEDIUM Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 缓冲区

Showing top 20 of 50 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Cisco Secure Firewall Adaptive Security Appliance (ASA) Software
Same vendor: Cisco
Same weakness: CWE-401

V. Comments for CVE-2026-20106

No comments yet

Leave a comment