CVE-2017-12240
Cisco IOS and IOS XE Software DHCP Remote Code Execution Vulnerability
- 대응 우선순위
- 최우선
- CVSS
- 9.8
- EPSS
- 13.5% 백분위 96.0% · 2026.06.27 기준
- CISA KEV
- 등록
- 조치 기한
- 2022.03.24
- 공개일
- 2017.09.29
CISA KEV에 등록된 실제 악용 확인 취약점
The DHCP relay subsystem of Cisco IOS 12.2 through 15.6 and Cisco IOS XE Software contains a vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary code and gain full control of an affected system. The attacker could also cause an affected system to reload, resulting in a denial of service (DoS) condition. The vulnerability is due to a buffer overflow condition in the DHCP relay subsystem of the affected software. An attacker could exploit this vulnerability by sending a crafted DHCP Version 4 (DHCPv4) packet to an affected system. A successful exploit could...
공급사 Cisco
제품 IOS and IOS XE Software
영향 버전 Cisco IOS and IOS XE, >= 12.2 <= 15.6
수정 버전 공식 출처에서 확인 필요
Apply updates per vendor instructions.
조치 기한: 2022.03.24CVSS 벡터 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-119, CWE-20
KEV 등록일 2022.03.03
랜섬웨어 캠페인 사용 미확인
CISA 비고 https://nvd.nist.gov/vuln/detail/CVE-2017-12240
EPSS 데이터 기준일 2026.06.27