CVE-2022-20821
Cisco IOS XR Open Port Vulnerability
- 대응 우선순위
- 최우선
- CVSS
- 6.5
- EPSS
- 11.8% 백분위 95.5% · 2026.06.27 기준
- CISA KEV
- 등록
- 조치 기한
- 2022.06.13
- 공개일
- 2022.05.26
CISA KEV에 등록된 실제 악용 확인 취약점
A vulnerability in the health check RPM of Cisco IOS XR Software could allow an unauthenticated, remote attacker to access the Redis instance that is running within the NOSi container. This vulnerability exists because the health check RPM opens TCP port 6379 by default upon activation. An attacker could exploit this vulnerability by connecting to the Redis instance on the open port. A successful exploit could allow the attacker to write to the Redis in-memory database, write arbitrary files to the container filesystem, and retrieve information about the Redis database. Given the configurat...
공급사 Cisco
제품 IOS XR
영향 버전 n/a
수정 버전 공식 출처에서 확인 필요
Apply updates per vendor instructions.
조치 기한: 2022.06.13CVSS 벡터 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CWE CWE-200, CWE-923
KEV 등록일 2022.05.23
랜섬웨어 캠페인 사용 미확인
CISA 비고 https://nvd.nist.gov/vuln/detail/CVE-2022-20821
EPSS 데이터 기준일 2026.06.27