CVE-2023-20269
Cisco Adaptive Security Appliance and Firepower Threat Defense Unauthorized Access Vulnerability
- 대응 우선순위
- 최우선
- CVSS
- 9.1
- EPSS
- 21.6% 백분위 97.3% · 2026.06.27 기준
- CISA KEV
- 등록
- 조치 기한
- 2023.10.04
- 공개일
- 2023.09.07
CISA KEV에 등록된 실제 악용 확인 취약점
A vulnerability in the remote access VPN feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to conduct a brute force attack in an attempt to identify valid username and password combinations or an authenticated, remote attacker to establish a clientless SSL VPN session with an unauthorized user. This vulnerability is due to improper separation of authentication, authorization, and accounting (AAA) between the remote access VPN feature and the HTTPS management and site-to-site VPN featu...
공급사 Cisco
제품 Adaptive Security Appliance and Firepower 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 공식 출처에서 확인 필요
Apply mitigations per vendor instructions for group-lock and vpn-simultaneous-logins or discontinue use of the product for unsupported devices.
조치 기한: 2023.10.04CVSS 벡터 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CWE CWE-288, CWE-863
KEV 등록일 2023.09.13
랜섬웨어 캠페인 사용 확인됨
CISA 비고 https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ravpn-auth-8LyfCkeC; https://nvd.nist.gov/vuln/detail/CVE-2023-20269
EPSS 데이터 기준일 2026.06.27