CVE-2020-3569
Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerability
- 대응 우선순위
- 최우선
- CVSS
- 8.6
- EPSS
- 3.29% 백분위 86.9% · 2026.06.27 기준
- CISA KEV
- 등록
- 조치 기한
- 2022.05.03
- 공개일
- 2020.09.23
CISA KEV에 등록된 실제 악용 확인 취약점
Multiple vulnerabilities in the Distance Vector Multicast Routing Protocol (DVMRP) feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to either immediately crash the Internet Group Management Protocol (IGMP) process or make it consume available memory and eventually crash. The memory consumption may negatively impact other processes that are running on the device. These vulnerabilities are due to the incorrect handling of IGMP packets. An attacker could exploit these vulnerabilities by sending crafted IGMP traffic to an affected device. A successful exploit cou...
공급사 Cisco
제품 IOS XR
영향 버전 n/a, 6.1.4, 6.2.3, 6.3.3, 6.4.2, 6.5.3, 6.6.2, 6.6.3, 7.0.2, 7.1.2, 7.1.15, < 6.5.2, 6.4.3
수정 버전 6.5.2
Apply updates per vendor instructions.
조치 기한: 2022.05.03CVSS 벡터 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CWE CWE-400, CWE-770
KEV 등록일 2021.11.03
랜섬웨어 캠페인 사용 미확인
CISA 비고 https://nvd.nist.gov/vuln/detail/CVE-2020-3569
EPSS 데이터 기준일 2026.06.27