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긴급도 100/100 심각도 10 · 치명적 악용확률 99.8% CISA KEV · 2026-09-09 CWE-288

CVE-2026-20079

CISA 기관 조치 기한: 2026-09-12

Cisco Secure Firewall Management Center (FMC) and Security Cloud Control (SCC) Firewall Management

Qualys 위협 인텔 · 심각도 4/5 · QID 735397 · CGI
공개 익스플로잇 측면이동 쉬운 악용 대량 데이터 유출 서비스 거부 인증 불필요 CISA KEV
  • CVSS Temporal 9.0 (현재 위협 반영)
  • 익스플로잇 성숙도: PoC (2/4)
  • 공격 위치: 원격
  • 패치: 가능
  • 익스플로잇 프레임워크: Metasploit, GitHub
  • PCI-DSS 관련
A vulnerability in the web interface of Cisco Secure Firewall Management Center (FMC) Software could allow an unauthenticated, remote attacker to bypass authentication and execute script files on an affected device to obtain root access to the underlying operating system. 

This vulnerability is due to an improper system process that is created at boot time. An attacker could exploit this vulnerability by sending crafted HTTP requests to an affected device. A successful exploit could allow the attacker to execute a variety of scripts and commands that allow root access to the device. 
KEV 필수 조치: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
타임라인
  1. NVD 공개
  2. CISA KEV 등재(실제 악용 확인) 공개 후 189일
  3. 첫 보도 BleepingComputer · 시스코, 공격에 악용된 CVE-2026-20079 Secure FMC 취약점 확인
  4. CISA 기관 조치 기한 경과
  5. 최근 보도 (총 10건) BleepingComputer · 인프라트러스트(InfraTrust) 보고서는 핵심 네트워크 인프라의 …

날짜 정보 없는 신호: 공개 PoC 4건

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

공개 익스플로잇 / PoC

NVD 상세 ↗   GitHub Advisory ↗   벤더 권고문 ↗   참고 링크 ↗

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