CVE-2018-0172
Cisco IOS and IOS XE Software Improper Input Validation Vulnerability
- 대응 우선순위
- 최우선
- CVSS
- 8.6
- EPSS
- 7.82% 백분위 93.9% · 2026.06.27 기준
- CISA KEV
- 등록
- 조치 기한
- 2022.03.17
- 공개일
- 2018.03.29
CISA KEV에 등록된 실제 악용 확인 취약점
A vulnerability in the DHCP option 82 encapsulation functionality of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. The vulnerability exists because the affected software performs incomplete input validation of option 82 information that it receives in DHCP Version 4 (DHCPv4) packets from DHCP relay agents. An attacker could exploit this vulnerability by sending a crafted DHCPv4 packet to an affected device. A successful exploit could allow the attacker to c...
공급사 Cisco
제품 IOS and IOS XE Software
영향 버전 Cisco IOS and IOS XE
수정 버전 공식 출처에서 확인 필요
Apply updates per vendor instructions.
조치 기한: 2022.03.17CVSS 벡터 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CWE CWE-20, CWE-787
KEV 등록일 2022.03.03
랜섬웨어 캠페인 사용 미확인
CISA 비고 https://nvd.nist.gov/vuln/detail/CVE-2018-0172
EPSS 데이터 기준일 2026.06.27