CVE-2024-20353
Cisco ASA and FTD Denial of Service Vulnerability
- 대응 우선순위
- 최우선
- CVSS
- 8.6
- EPSS
- 63.3% 백분위 99.1% · 2026.06.27 기준
- CISA KEV
- 등록
- 조치 기한
- 2024.05.01
- 공개일
- 2024.04.25
CISA KEV에 등록된 실제 악용 확인 취약점
A vulnerability in the management and VPN web servers for Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to incomplete error checking when parsing an HTTP header. An attacker could exploit this vulnerability by sending a crafted HTTP request to a targeted web server on a device. A successful exploit could allow the attacker to cause a DoS condition when the device reloads.
공급사 Cisco
제품 Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD)
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 or discontinue use of the product if mitigations are unavailable.
조치 기한: 2024.05.01CVSS 벡터 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CWE CWE-835
KEV 등록일 2024.04.24
랜섬웨어 캠페인 사용 미확인
CISA 비고 https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-websrvs-dos-X8gNucD2; https://nvd.nist.gov/vuln/detail/CVE-2024-20353
EPSS 데이터 기준일 2026.06.27