Cisco · Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense
CVE-2025-20362
Cisco Secure Firewall Adaptive Security (ASA) Appliance and Secure Firewall Threat Defense (FTD) Missing Authorization Vulnerability
چیست
Update: On November 5, 2025, Cisco became aware of a new attack variant against devices running Cisco Secure ASA Software or Cisco Secure FTD Software releases that are affected by CVE-2025-20333 and CVE-2025-20362. This attack can cause unpatched devices to unexpectedly reload, leading to denial of service (DoS) conditions. Cisco strongly recommends that all customers upgrade to the fixed software releases that are listed in the Fixed Software ["#fs"] section of this advisory.
A vulnerability in the VPN web server of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to access restricted URL endpoints that are related to remote access VPN that should otherwise be inaccessible without authentication.
This vulnerability is due to improper validation of user-supplied input in HTTP(S) requests. An attacker could exploit this vulnerability by sending crafted HTTP requests to a targeted web server on a device. A successful exploit could allow the attacker to access a restricted URL without authentication.
CISA: Cisco Secure Firewall Adaptive Security (ASA) Appliance and Secure Firewall Threat Defense (FTD) Software VPN Web Server contain a missing authorization vulnerability. This vulnerability could be chained with CVE-2025-20333.
چه باید کرد
The KEV due date refers to the deadline by which FCEB agencies are expected to review and begin implementing the guidance outlined in Emergency Directive (ED) 25-03 (URL listed below in Notes). Agencies must follow the mitigation steps provided by CISA (URL listed below in Notes) and vendor’s instructions (URL listed below in Notes). Adhere to the applicable BOD 22-01 guidance for cloud services or discontinue use of the product if mitigations are not available.
مهلت برای نهادهای فدرال آمریکا: ۲۶ سپتامبر ۲۰۲۵
آسیب‌پذیری‌های دیگر Cisco که مورد سوءاستفاده‌اند
| افزوده‌شده | آسیب‌پذیری | محصول | شدت | احتمال حمله |
|---|---|---|---|---|
| ۲۵ سپتامبر ۲۰۲۵ | Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) Buffer Overflow | Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense | بحرانی ۹٫۹ | ۷۱% |
| ۱۴ اکتبر ۲۰۲۶ | Relative Path Traversal | Secure Email Gateway | بحرانی ۹٫۸ | ۲٫۲% |
| ۳۰ سپتامبر ۲۰۲۶ | Hex Encoding | Catalyst SD-WAN Manager | بحرانی ۹٫۸ | ۳۹% |
| ۱۶ سپتامبر ۲۰۲۶ | Incorrect Use of Privileged APIs | Identity Services Engine | بحرانی ۱۰٫۰ | ۷۶% |
| ۱۴ سپتامبر ۲۰۲۶ | SQL Injection | Secure Email Gateway | بحرانی ۹٫۸ | ۳۰% |
| ۹ سپتامبر ۲۰۲۶ | Firewall Management Center Authentication Bypass Using an Alternate Path or Channel | Secure Firewall Management Center (FMC) and Security Cloud Control (SCC) Firewall Management | بحرانی ۱۰٫۰ | ۸۸% |
| ۱۱ اوت ۲۰۲۶ | Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) Heap Inspection | Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) | بالا ۸٫۶ | ۱٫۰% |
| ۲۹ ژوئیه ۲۰۲۶ | Secure Firewall Management Center Use of Hard-coded Password | Secure Firewall Management Center (FMC) | متوسط ۵٫۳ | ۳۵% |
منابع: Known Exploited Vulnerabilities (CISA، مالکیت عمومی)، CVE records (cve.org) و EPSS (FIRST). احتمال حمله برآورد EPSS از این است که کسی در ۳۰ روز آینده برای سوءاستفاده از این آسیب‌پذیری تلاش کند.