CVE-2024-20353
악용 확인 Cisco ASA and FTD Denial of Service Vulnerability
악용 여부
악용 확인
2024-04-24
2024-05-01
CISA 미확인
Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD)
심각도 (발행처 발표값)
높음8.6
3.1
NVD (미국 NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
악용 확률 (EPSS)
70.7%
70.69%
99.3%
2026-09-04
한국어 공식 권고
CISA 원문
Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) contain an infinite loop vulnerability that can lead to remote denial of service condition.— CISA KEV · shortDescription 원문
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.— CISA KEV · requiredAction 원문
취약점 설명 (NVD 원문)
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.
CWE-835 CWE-835
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