CVE-2018-0155
Cisco Catalyst Bidirectional Forwarding Detection Denial-of-Service Vulnerability
- 대응 우선순위
- 최우선
- CVSS
- 8.6
- EPSS
- 7.75% 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 Bidirectional Forwarding Detection (BFD) offload implementation of Cisco Catalyst 4500 Series Switches and Cisco Catalyst 4500-X Series Switches could allow an unauthenticated, remote attacker to cause a crash of the iosd process, causing a denial of service (DoS) condition. The vulnerability is due to insufficient error handling when the BFD header in a BFD packet is incomplete. An attacker could exploit this vulnerability by sending a crafted BFD message to or across an affected switch. A successful exploit could allow the attacker to trigger a reload of the system....
공급사 Cisco
제품 Catalyst 4500 Series Switches and Cisco Catalyst 4500-X Series Switches
영향 버전 Cisco IOS and IOS XE, 3.6(2)e
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-388, CWE-755
KEV 등록일 2022.03.03
랜섬웨어 캠페인 사용 미확인
CISA 비고 https://nvd.nist.gov/vuln/detail/CVE-2018-0155
EPSS 데이터 기준일 2026.06.27