CVE-2018-0156
Cisco IOS Software and Cisco IOS XE Software Smart Install Denial-of-Service Vulnerability
- 대응 우선순위
- 최우선
- CVSS
- 7.5
- EPSS
- 8.37% 백분위 94.3% · 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 Smart Install feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to improper validation of packet data. An attacker could exploit this vulnerability by sending a crafted packet to an affected device on TCP port 4786. Only Smart Install client switches are affected. Cisco devices that are configured as a Smart Install director are not affected by this vulnerability. Cisco Bug IDs: CSCvd40673.
공급사 Cisco
제품 IOS Software and Cisco IOS XE Software
영향 버전 Cisco IOS and IOS XE, 15.2(2)e4, 15.2(2a)ja
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:U/C:N/I:N/A:H
CWE CWE-20, CWE-399
KEV 등록일 2022.03.03
랜섬웨어 캠페인 사용 미확인
CISA 비고 https://nvd.nist.gov/vuln/detail/CVE-2018-0156
EPSS 데이터 기준일 2026.06.27