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최우선 대응높음CISA KEV · 실제 악용 확인

CVE-2025-20362

Cisco Secure Firewall Adaptive Security (ASA) Appliance and Secure Firewall Threat Defense (FTD) Missing Authorization Vulnerability

대응 우선순위
최우선
CVSS
8.6
EPSS
85.5%
백분위 99.7% · 2026.06.27 기준
CISA KEV
등록
조치 기한
2025.09.26
공개일
2025.09.26

최우선 대응 판단

CISA KEV에 등록된 실제 악용 확인 취약점

실제 악용확인
EPSS85.5%
EPSS 백분위99.7%

설명

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 Cisc...

영향 제품·버전

공급사 Cisco

제품 Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense

영향 버전 9.8.1, 9.8.1.5, 9.8.1.7, 9.8.2, 9.8.2.8, 9.8.2.14, 9.8.2.15, 9.8.2.17, 9.8.2.20, 9.8.2.24, 9.8.2.26, 9.8.2.28, 9.8.2.33, 9.8.2.35, 9.8.2.38, 9.8.3.8, 9.8.3.11, 9.8.3.14, 9.8.3.16, 9.8.3.18

수정 버전 9.12.4.72, 9.14.4.28, 9.16.4.85, 9.18.4.67, 9.20.4.10, 9.22.2.14, 9.23.1.19, 7.0.8.1, 7.2.10.2, 7.4.2.4, 7.6.2.1, 7.7.10.1

조치 방법

CISA 공식 요구조치

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.

조치 기한: 2025.09.26
  • 공급사가 제공한 최신 보안 업데이트 적용
  • 자사 보유 제품과 영향 버전의 일치 여부 확인
  • 외부 노출 서비스와 비정상 인증·접속 로그 점검
  • 패치가 어려우면 공급사 완화조치와 접근통제 적용

기술 정보

CVSS 벡터 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

CWE CWE-862

KEV 등록일 2025.09.25

랜섬웨어 캠페인 사용 미확인

CISA 비고 CISA Mitigation Instructions: https://www.cisa.gov/news-events/directives/ed-25-03-identify-and-mitigate-potential-compromise-cisco-devices ; https://www.cisa.gov/news-events/directives/supplemental-direction-ed-25-03-core-dump-and-hunt-instructions ; https://www.cisa.gov/eviction-strategies-tool/create-from-template ; https://sec.cloudapps.cisco.com/security/center/resources/asa_ftd_continued_attacks ; https://sec.cloudapps.cisco.com/security/center/private/resources/asa_ftd_continued_attacks#Details ; https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-webvpn-YROOTUW ; https://nvd.nist.gov/vuln/detail/CVE-2025-20362

EPSS 데이터 기준일 2026.06.27

CVE-2025-20362 Cisco Secure Firewall Adaptive Security (ASA) Appliance and Secure Firewall Threat Defense (FTD) Missing Authorization Vulnerability | 시큐포커스 NOW