ConnectWise · ScreenConnect
CVE-2026-84869
ScreenConnect Client: Guest-to-Host File Execution via File-Transfer Actions
무엇인가
A condition in the ScreenConnect client may allow files to be transferred and executed through an active remote session without authorization or Host confirmation in certain circumstances. ScreenConnect servers are not impacted.
CISA: ConnectWise ScreenConnect contains both an improper privilege management and missing authorization vulnerability that may allow an attacker to transfer and execute files through an active remote session without authorization or host confirmation.
할 일
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.
미국 연방 기관 조치 기한: 2026년 9월 14일
ConnectWise의 다른 악용된 결함
| 추가됨 | 취약점 | 제품 | 심각도 | 공격 가능성 |
|---|---|---|---|---|
| 2026. 4. 28. | Path Traversal | ScreenConnect | 높음 8.4 | 95% |
| 2025. 6. 2. | Improper Authentication | ScreenConnect | 높음 8.1 | 3.6% |
| 2024. 2. 22. | Authentication Bypass | ScreenConnect | 치명적 10.0 | >99.9% |
출처: Known Exploited Vulnerabilities(CISA, 퍼블릭 도메인), CVE records(cve.org), EPSS(FIRST). 공격 가능성은 누군가 향후 30일 안에 이 결함을 악용하려 할 확률에 대한 EPSS 추정치입니다.