CVE-2026-34910
Ubiquiti UniFi OS Improper Input Validation Vulnerability
- 대응 우선순위
- 최우선
- CVSS
- 10
- EPSS
- 78.6% 백분위 99.5% · 2026.07.17 기준
- CISA KEV
- 등록
- 조치 기한
- 2026.06.26
- 공개일
- 2026.05.22
CISA KEV에 등록된 실제 악용 확인 취약점
A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS devices to execute a Command Injection.
제품 Ubiquiti Inc UniFi OS Server, UDM, UDM-Pro
영향 버전 Ubiquiti Inc UniFi OS Server, UDM, UDM-Pro < 5.0.8, < 5.1.12, < 5.1.11, < 5.1.10
수정 버전 Ubiquiti Inc UniFi OS Server, UDM, UDM-Pro 5.0.8, 5.1.12, 5.1.11, 5.1.10
영향 여부, 우선 대응, 정식 해결과 결과 확인 절차를 요약합니다.
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
조치 기한: 2026.06.26Ubiquiti Inc UniFi OS Server, UDM, UDM-Pro의 현재 전체 버전이 공식 영향 범위(Ubiquiti Inc UniFi OS Server, UDM, UDM-Pro < 5.0.8, < 5.1.12, < 5.1.11, < 5.1.10)에 포함되는지 확인합니다. OS를 선택하면 해당 OS의 제품·패키지·KB·APAR 확인 명령만 표시됩니다.
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
패치 후 같은 명령으로 전체 버전을 다시 확인해 Ubiquiti Inc UniFi OS Server, UDM, UDM-Pro 5.0.8, 5.1.12, 5.1.11, 5.1.10 기준을 충족하는지 확인합니다. 이어서 명령어·코드 인젝션 관련 오류·공격 흔적이 새로 발생하지 않는지 확인합니다.
CVSS 벡터 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE CWE-20
KEV 등록일 2026.06.23
랜섬웨어 캠페인 사용 미확인
CISA 비고 https://community.ui.com/releases/Security-Advisory-Bulletin-064-064/84811c09-4cf4-42ab-bd61-cc994445963b ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-34910
EPSS 데이터 기준일 2026.07.17