CVE-2021-22893
Ivanti Pulse Connect Secure Use-After-Free Vulnerability
- 대응 우선순위
- 최우선
- CVSS
- 10
- EPSS
- 49.2% 백분위 98.7% · 2026.06.27 기준
- CISA KEV
- 등록
- 조치 기한
- 2022.05.03
- 공개일
- 2021.04.24
CISA KEV에 등록된 실제 악용 확인 취약점
Pulse Connect Secure 9.0R3/9.1R1 and higher is vulnerable to an authentication bypass vulnerability exposed by the Windows File Share Browser and Pulse Secure Collaboration features of Pulse Connect Secure that can allow an unauthenticated user to perform remote arbitrary code execution on the Pulse Connect Secure gateway. This vulnerability has been exploited in the wild.
공급사 Ivanti
제품 Pulse Connect Secure
영향 버전 PCS 9.0R3 or above, PCS 9.1R1 and above, 9.0, 9.1
수정 버전 공식 출처에서 확인 필요
Apply updates per vendor instructions.
조치 기한: 2022.05.03CVSS 벡터 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE CWE-287, CWE-416
KEV 등록일 2021.11.03
랜섬웨어 캠페인 사용 확인됨
CISA 비고 Reference CISA's ED 21-03 (https://www.cisa.gov/news-events/directives/ed-21-03-mitigate-pulse-connect-secure-product-vulnerabilities) for further guidance and requirements. Note: The due date for addressing this vulnerability aligns with the requirements outlined in ED 21-03. https://nvd.nist.gov/vuln/detail/CVE-2021-22893
EPSS 데이터 기준일 2026.06.27