CVE-2021-30116
Kaseya Virtual System/Server Administrator (VSA) Information Disclosure Vulnerability
- 대응 우선순위
- 최우선
- CVSS
- 9.8
- EPSS
- 85.6% 백분위 99.7% · 2026.06.27 기준
- CISA KEV
- 등록
- 조치 기한
- 2021.11.17
- 공개일
- 2021.07.09
CISA KEV에 등록된 실제 악용 확인 취약점
Kaseya VSA before 9.5.7 allows credential disclosure, as exploited in the wild in July 2021. By default Kaseya VSA on premise offers a download page where the clients for the installation can be downloaded. The default URL for this page is https://x.x.x.x/dl.asp When an attacker download a client for Windows and installs it, the file KaseyaD.ini is generated (C:\Program Files (x86)\Kaseya\XXXXXXXXXX\KaseyaD.ini) which contains an Agent_Guid and AgentPassword This Agent_Guid and AgentPassword can be used to log in on dl.asp (https://x.x.x.x/dl.asp?un=840997037507813&pw=113cc622839a4077a84837...
공급사 Kaseya
제품 Virtual System/Server Administrator (VSA)
영향 버전 n/a, < 9.5.0.24, < 9.5.7a
수정 버전 9.5.0.24, 9.5.7a
Apply updates per vendor instructions.
조치 기한: 2021.11.17CVSS 벡터 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-522
KEV 등록일 2021.11.03
랜섬웨어 캠페인 사용 확인됨
CISA 비고 https://nvd.nist.gov/vuln/detail/CVE-2021-30116
EPSS 데이터 기준일 2026.06.27