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최우선 대응높음CISA KEV · 실제 악용 확인

CVE-2026-20133

Cisco Catalyst SD-WAN Manager Exposure of Sensitive Information to an Unauthorized Actor Vulnerability

대응 우선순위
최우선
CVSS
7.5
EPSS
10.2%
백분위 95.1% · 2026.06.27 기준
CISA KEV
등록
조치 기한
2026.04.23
공개일
2026.02.26

최우선 대응 판단

CISA KEV에 등록된 실제 악용 확인 취약점

실제 악용확인
EPSS10.2%
EPSS 백분위95.1%

설명

A vulnerability in Cisco Catalyst SD-WAN Software could allow an unauthenticated, remote attacker to view sensitive information on an affected system. This vulnerability is due to insufficient file system restrictions. An authenticated attacker with netadmin privileges could exploit this vulnerability by accessing the vshell of an affected system. A successful exploit could allow the attacker to read sensitive information on the underlying operating system.

영향 제품·버전

공급사 Cisco

제품 Catalyst SD-WAN Manager

영향 버전 17.2.6, 17.2.7, 17.2.8, 17.2.9, 17.2.10, 17.2.4, 17.2.5, 18.3.1.1, 18.3.3.1, 18.3.3, 18.3.4, 18.3.5, 18.3.7, 18.3.8, 18.3.6.1, 18.3.1, 18.3.0, 18.4.0.1, 18.4.3, 18.4.302

수정 버전 20.9.8.2, 20.12.5.3, 20.15.4.2, 20.18.2.1

조치 방법

CISA 공식 요구조치

Please adhere to CISA’s guidelines to assess exposure and mitigate risks associated with Cisco SD-WAN devices as outlines in CISA’s Emergency Directive 26-03 (URL listed below in Notes) and CISA’s “Hunt & Hardening Guidance for Cisco SD-WAN Devices (URL listed below in Notes). Adhere to the applicable BOD 22-01 guidance for cloud services or discontinue use of the product if mitigations are not available.

조치 기한: 2026.04.23
  • 공급사가 제공한 최신 보안 업데이트 적용
  • 자사 보유 제품과 영향 버전의 일치 여부 확인
  • 외부 노출 서비스와 비정상 인증·접속 로그 점검
  • 패치가 어려우면 공급사 완화조치와 접근통제 적용

기술 정보

CVSS 벡터 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CWE CWE-200

KEV 등록일 2026.04.20

랜섬웨어 캠페인 사용 미확인

CISA 비고 CISA Mitigation Instructions: https://www.cisa.gov/news-events/directives/ed-26-03-mitigate-vulnerabilities-cisco-sd-wan-systems ; https://www.cisa.gov/news-events/directives/supplemental-direction-ed-26-03-hunt-and-hardening-guidance-cisco-sd-wan-systems ; https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-authbp-qwCX8D4v ; https://nvd.nist.gov/vuln/detail/CVE-2026-20133

EPSS 데이터 기준일 2026.06.27

CVE-2026-20133 Cisco Catalyst SD-WAN Manager Exposure of Sensitive Information to an Unauthorized Actor Vulnerability | 시큐포커스 NOW