긴급도 100/100 심각도 9.8 · 치명적 악용확률 100.0% CISA KEV · 2025-07-20 랜섬웨어 악용 CWE-502

CVE-2025-53770

CISA 기관 조치 기한: 2025-07-21

Microsoft SharePoint

Qualys 위협 인텔 · 심각도 5/5 · QID 110501 · Office Application

공개 익스플로잇 실제 공격 관측 측면이동 쉬운 악용 대량 데이터 유출 서비스 거부 악성코드 연계 고위험 예측 인증 불필요 원격코드실행 랜섬웨어 연계 CISA KEV

CVSS Temporal 9.1 (현재 위협 반영)
익스플로잇 성숙도: 기능적 (3/4)
공격 위치: 로컬/인증필요
패치: 가능
익스플로잇 프레임워크: Metasploit, GitHub
연계 악성코드: WebShell (Backdoor); CVE-2025-53770 (Exploit); Qilin (Ransomware); 4L4MD4r (Ransomware); Unattributed (Ransomware); Warlock (Ransomware); X2ANYLOCK (Ransomware)
PCI-DSS 관련

Microsoft SharePoint Server on-premises contains a deserialization of untrusted data vulnerability that could allow an unauthorized attacker to execute code over a network. This vulnerability could be chained with CVE-2025-53771. CVE-2025-53770 is a patch bypass for CVE-2025-49704, and the updates for CVE-2025-53770 include more robust protection than those for CVE-2025-49704.

KEV 필수 조치: Disconnect public-facing versions of SharePoint Server that have reached their end-of-life (EOL) or end-of-service (EOS) to include SharePoint Server 2013 and earlier versions. For supported versions, please follow the mitigations according to CISA (URL listed below in Notes) and vendor instructions (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.

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

공개 익스플로잇 / PoC

Exploit-DB: EDB-52405 ↗

NVD 상세 ↗ GitHub Advisory ↗ 참고 링크 ↗