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 95.2% · 2026.07.17 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 백분위95.2%
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
제품 Cisco Catalyst SD-WAN Manager
영향 버전 Cisco Catalyst SD-WAN Manager 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 Cisco Catalyst SD-WAN Manager 20.9.8.2, 20.12.5.3, 20.15.4.2, 20.18.2.1
취약점 확인 및 조치방법
영향 여부, 우선 대응, 정식 해결과 결과 확인 절차를 요약합니다.
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: 2026.04.23Cisco Catalyst SD-WAN Manager의 현재 전체 버전이 공식 영향 범위(Cisco Catalyst SD-WAN Manager 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)에 포함되는지 확인합니다. OS를 선택하면 해당 OS의 제품·패키지·KB·APAR 확인 명령만 표시됩니다.
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.
패치 후 같은 명령으로 전체 버전을 다시 확인해 Cisco Catalyst SD-WAN Manager 20.9.8.2, 20.12.5.3, 20.15.4.2, 20.18.2.1 기준을 충족하는지 확인합니다. 이어서 정보 노출 관련 오류·공격 흔적이 새로 발생하지 않는지 확인합니다.
확인·조치·완료 확인제품·버전·노출 여부 확인부터 즉시 완화, 공식 조치와 완료 검증까지 실무 순서로 표시합니다.
취약점 확인 및 조치방법 보기 →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 2026.07.17