Kestrel
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CVE-2026-55112HIGH· 7.5MITRENVD대응게시일: 2026. 07. 02.수정일: 2026. 07. 10.CNA: support@hackerone.comAnalyzed

A malicious actor with access to the network and low privileges and under certain conditions could exploit an Improper Access Control vulner

위협 신호 · CVSS · EPSS · KEV

정기 패치· 높은 악용 신호 없음
CVSS
7.5high

이론적 심각도 점수

EPSS
0.2%상위 90.2%

30일 내 악용 확률 예측

KEV
미등재

실측 악용 기록 없음

권장 대응 기한14일 이내CISA SSVC 기준

2주 이내 패치 — 우선 조치 대상

완전 장악외부 노출· KEV 미등재 · 자동화 어려움 · 완전 장악 · 외부 노출

CVSS 벡터 · 메트릭

악용 경로
공격 벡터네트워크
공격 복잡도높음
필요 권한낮음
사용자 상호작용불필요
범위불변
영향
기밀성 영향높음
무결성 영향높음
가용성 영향높음
버전별 점수
CVSS 3.17.5HIGH· 악용성 1.6· 영향도 5.9
CVSS 3.18.8HIGH· 악용성 2.8· 영향도 5.9
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

약점 (CWE)

  • CWE-284

    부적절한 접근 제어 — 접근 통제가 미흡해 무단 접근 허용.

상세 설명

A malicious actor with access to the network and low privileges and under certain conditions could exploit an Improper Access Control vulnerability found in UniFi OS with UniFi Protect Application to escalate privileges on the host device.

AI 심층 분석

공격 시나리오 · 재현 가능한 PoC 페이로드 · 즉시 적용 가능한 차단 패치를 한 번에 받아 보세요. 보안 운영팀이 그대로 점검·티켓팅에 쓸 수 있는 형태로 정리해 드립니다.

영향받는 제품·버전

  • ui unifi_dream_machine_pro_firmware< 5.1.15
    other
  • ui unifi_dream_machine_pro
    other
  • ui unifi_dream_machine_special_edition_firmware< 5.1.15
    other
  • ui unifi_dream_machine_special_edition
    other
  • ui unifi_dream_machine_pro_max_firmware< 5.1.15
    other
  • ui unifi_dream_machine_pro_max
    other
  • ui unifi_dream_machine_beast_firmware< 5.1.15
    other
  • ui unifi_dream_machine_beast
    other
  • ui unifi_dream_router_firmware< 5.1.15
    other
  • ui unifi_dream_router
    other
  • ui unifi_dream_wall_firmware< 5.1.15
    other
  • ui unifi_dream_wall
    other
  • ui unifi_dream_router_7_firmware< 5.1.15
    other
  • ui unifi_dream_router_7
    other
  • ui unifi_cloudkey_firmware< 5.1.15
    other
  • ui unifi_cloudkey
    other
  • ui unifi_network_video_recorder_firmware< 5.1.15
    other
  • ui unifi_network_video_recorder
    other
  • ui unifi_network_video_recorder_pro_firmware< 5.1.15
    other
  • ui unifi_network_video_recorder_pro
    other
  • ui unifi_network_video_recorder_instant_firmware< 5.1.15
    other
  • ui unifi_network_video_recorder_instant
    other
  • ui enterprise_network_video_recorder_firmware< 5.1.15
    other
  • ui enterprise_network_video_recorder
    other
  • ui enterprise_network_video_recorder_core_firmware< 5.1.15
    other
  • ui enterprise_network_video_recorder_core
    other
  • ui unifi_network_video_recorder_g2_firmware< 5.1.15
    other
  • ui unifi_network_video_recorder_g2
    other
  • ui unifi_network_video_recorder_g2_pro_firmware< 5.1.15
    other
  • ui unifi_network_video_recorder_g2_pro
    other
  • ui unifi_cloud_gateway_max_firmware< 5.1.15
    other
  • ui unifi_cloud_gateway_max
    other
  • ui unifi_cloud_gateway_industrial_firmware< 5.1.15
    other
  • ui unifi_cloud_gateway_industrial
    other
  • ui unifi_cloud_gateway_fiber_firmware< 5.1.15
    other
  • ui unifi_cloud_gateway_fiber
    other
  • ui unifi_dream_router_5g_max_firmware< 5.1.15
    other
  • ui unifi_dream_router_5g_max
    other

영향받는 구성 (CPE) 38

  • ui unifi_dream_machine_pro_firmware≤ 5.1.15cpe:2.3:o:ui:unifi_dream_machine_pro_firmware:*:*:*:*:*:*:*:*
  • ui unifi_dream_machine_procpe:2.3:h:ui:unifi_dream_machine_pro:-:*:*:*:*:*:*:*
  • ui unifi_dream_machine_special_edition_firmware≤ 5.1.15cpe:2.3:o:ui:unifi_dream_machine_special_edition_firmware:*:*:*:*:*:*:*:*
  • ui unifi_dream_machine_special_editioncpe:2.3:h:ui:unifi_dream_machine_special_edition:-:*:*:*:*:*:*:*
  • ui unifi_dream_machine_pro_max_firmware≤ 5.1.15cpe:2.3:o:ui:unifi_dream_machine_pro_max_firmware:*:*:*:*:*:*:*:*
  • ui unifi_dream_machine_pro_maxcpe:2.3:h:ui:unifi_dream_machine_pro_max:-:*:*:*:*:*:*:*
  • ui unifi_dream_machine_beast_firmware≤ 5.1.15cpe:2.3:o:ui:unifi_dream_machine_beast_firmware:*:*:*:*:*:*:*:*
  • ui unifi_dream_machine_beastcpe:2.3:h:ui:unifi_dream_machine_beast:-:*:*:*:*:*:*:*
  • ui unifi_dream_router_firmware≤ 5.1.15cpe:2.3:o:ui:unifi_dream_router_firmware:*:*:*:*:*:*:*:*
  • ui unifi_dream_routercpe:2.3:h:ui:unifi_dream_router:-:*:*:*:*:*:*:*
  • ui unifi_dream_wall_firmware≤ 5.1.15cpe:2.3:o:ui:unifi_dream_wall_firmware:*:*:*:*:*:*:*:*
  • ui unifi_dream_wallcpe:2.3:h:ui:unifi_dream_wall:-:*:*:*:*:*:*:*
  • ui unifi_dream_router_7_firmware≤ 5.1.15cpe:2.3:o:ui:unifi_dream_router_7_firmware:*:*:*:*:*:*:*:*
  • ui unifi_dream_router_7cpe:2.3:h:ui:unifi_dream_router_7:-:*:*:*:*:*:*:*
  • ui unifi_cloudkey_firmware≤ 5.1.15cpe:2.3:o:ui:unifi_cloudkey_firmware:*:*:*:*:*:*:*:*
  • ui unifi_cloudkeycpe:2.3:h:ui:unifi_cloudkey:-:*:*:*:*:*:*:*
  • ui unifi_network_video_recorder_firmware≤ 5.1.15cpe:2.3:o:ui:unifi_network_video_recorder_firmware:*:*:*:*:*:*:*:*
  • ui unifi_network_video_recordercpe:2.3:h:ui:unifi_network_video_recorder:-:*:*:*:*:*:*:*
  • ui unifi_network_video_recorder_pro_firmware≤ 5.1.15cpe:2.3:o:ui:unifi_network_video_recorder_pro_firmware:*:*:*:*:*:*:*:*
  • ui unifi_network_video_recorder_procpe:2.3:h:ui:unifi_network_video_recorder_pro:-:*:*:*:*:*:*:*
  • ui unifi_network_video_recorder_instant_firmware≤ 5.1.15cpe:2.3:o:ui:unifi_network_video_recorder_instant_firmware:*:*:*:*:*:*:*:*
  • ui unifi_network_video_recorder_instantcpe:2.3:h:ui:unifi_network_video_recorder_instant:-:*:*:*:*:*:*:*
  • ui enterprise_network_video_recorder_firmware≤ 5.1.15cpe:2.3:o:ui:enterprise_network_video_recorder_firmware:*:*:*:*:*:*:*:*
  • ui enterprise_network_video_recordercpe:2.3:h:ui:enterprise_network_video_recorder:-:*:*:*:*:*:*:*
  • ui enterprise_network_video_recorder_core_firmware≤ 5.1.15cpe:2.3:o:ui:enterprise_network_video_recorder_core_firmware:*:*:*:*:*:*:*:*
  • ui enterprise_network_video_recorder_corecpe:2.3:h:ui:enterprise_network_video_recorder_core:-:*:*:*:*:*:*:*
  • ui unifi_network_video_recorder_g2_firmware≤ 5.1.15cpe:2.3:o:ui:unifi_network_video_recorder_g2_firmware:*:*:*:*:*:*:*:*
  • ui unifi_network_video_recorder_g2cpe:2.3:h:ui:unifi_network_video_recorder_g2:-:*:*:*:*:*:*:*
  • ui unifi_network_video_recorder_g2_pro_firmware≤ 5.1.15cpe:2.3:o:ui:unifi_network_video_recorder_g2_pro_firmware:*:*:*:*:*:*:*:*
  • ui unifi_network_video_recorder_g2_procpe:2.3:h:ui:unifi_network_video_recorder_g2_pro:-:*:*:*:*:*:*:*
  • ui unifi_cloud_gateway_max_firmware≤ 5.1.15cpe:2.3:o:ui:unifi_cloud_gateway_max_firmware:*:*:*:*:*:*:*:*
  • ui unifi_cloud_gateway_maxcpe:2.3:h:ui:unifi_cloud_gateway_max:-:*:*:*:*:*:*:*
  • ui unifi_cloud_gateway_industrial_firmware≤ 5.1.15cpe:2.3:o:ui:unifi_cloud_gateway_industrial_firmware:*:*:*:*:*:*:*:*
  • ui unifi_cloud_gateway_industrialcpe:2.3:h:ui:unifi_cloud_gateway_industrial:-:*:*:*:*:*:*:*
  • ui unifi_cloud_gateway_fiber_firmware≤ 5.1.15cpe:2.3:o:ui:unifi_cloud_gateway_fiber_firmware:*:*:*:*:*:*:*:*
  • ui unifi_cloud_gateway_fibercpe:2.3:h:ui:unifi_cloud_gateway_fiber:-:*:*:*:*:*:*:*
  • ui unifi_dream_router_5g_max_firmware≤ 5.1.15cpe:2.3:o:ui:unifi_dream_router_5g_max_firmware:*:*:*:*:*:*:*:*
  • ui unifi_dream_router_5g_maxcpe:2.3:h:ui:unifi_dream_router_5g_max:-:*:*:*:*:*:*:*

참고 자료 1

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