CVE-2021-22893CRITICAL· 10.0MITRENVD대응게시일: 2021. 04. 23.수정일: 2025. 12. 18.CNA: support@hackerone.comAnalyzed

Pulse Connect Secure 9.0R3/9.1R1 and higher is vulnerable to an authentication bypass vulnerability exposed by the Windows File Share Browse

AuthMemory-Corruption

위협 신호 · CVSS · EPSS · KEV

즉시 패치· 실측 악용 확인 · KEV 등재

CVSS

10.0critical

이론적 심각도 점수

EPSS

47.2%상위 1.3%

30일 내 악용 확률 예측

KEV

등재됨

등재일 2021. 11. 03.

패치 기한 2022. 05. 03.

권장 대응 기한3일 이내+ 침해 포렌식CISA SSVC 기준

즉시 패치 + 침해 여부 포렌식 분석

KEV 악용자동화 가능완전 장악외부 노출· KEV 등재 · 자동화 가능 · 완전 장악 · 외부 노출

CVSS 벡터 · 메트릭

악용 경로

공격 벡터네트워크

공격 복잡도낮음

필요 권한불필요

사용자 상호작용불필요

범위변경

영향

기밀성 영향높음

무결성 영향높음

가용성 영향높음

버전별 점수

CVSS 3.110.0CRITICAL· 악용성 3.9· 영향도 6

CVSS 2.07.5HIGH· 악용성 10· 영향도 6.4

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

약점 (CWE)

CWE-287
부적절한 인증 — 인증 절차가 미흡해 신원 위장이 가능.
CWE-416
Use-After-Free — 해제된 메모리를 다시 사용해 충돌·코드 실행 유발.

상세 설명

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.

AI 심층 분석

공격 시나리오 · 재현 가능한 PoC 페이로드 · 즉시 적용 가능한 차단 패치를 한 번에 받아 보세요. 보안 운영팀이 그대로 점검·티켓팅에 쓸 수 있는 형태로 정리해 드립니다.

영향받는 제품·버전

ivanti connect_secure
other
ivanti connect_secure
other
ivanti connect_secure
other
ivanti connect_secure
other
ivanti connect_secure
other
ivanti connect_secure
other
ivanti connect_secure
other
ivanti connect_secure
other
ivanti connect_secure
other
ivanti connect_secure
other
ivanti connect_secure
other
ivanti connect_secure
other
ivanti connect_secure
other
ivanti connect_secure
other
ivanti connect_secure
other
ivanti connect_secure
other
ivanti connect_secure
other
ivanti connect_secure
other
ivanti connect_secure
other
ivanti connect_secure
other
ivanti connect_secure
other
ivanti connect_secure
other
ivanti connect_secure
other
ivanti connect_secure
other
ivanti connect_secure
other
ivanti connect_secure
other
ivanti connect_secure
other
ivanti connect_secure
other
ivanti connect_secure
other
ivanti connect_secure
other
ivanti connect_secure
other
ivanti connect_secure
other
ivanti connect_secure
other
ivanti connect_secure
other
ivanti connect_secure
other
ivanti connect_secure
other

영향받는 구성 (CPE) 36

ivanti connect_secure 9.0cpe:2.3:a:ivanti:connect_secure:9.0:-:*:*:*:*:*:*
ivanti connect_secure 9.0cpe:2.3:a:ivanti:connect_secure:9.0:r1:*:*:*:*:*:*
ivanti connect_secure 9.0cpe:2.3:a:ivanti:connect_secure:9.0:r2:*:*:*:*:*:*
ivanti connect_secure 9.0cpe:2.3:a:ivanti:connect_secure:9.0:r2.1:*:*:*:*:*:*
ivanti connect_secure 9.0cpe:2.3:a:ivanti:connect_secure:9.0:r3:*:*:*:*:*:*
ivanti connect_secure 9.0cpe:2.3:a:ivanti:connect_secure:9.0:r3.1:*:*:*:*:*:*
ivanti connect_secure 9.0cpe:2.3:a:ivanti:connect_secure:9.0:r3.2:*:*:*:*:*:*
ivanti connect_secure 9.0cpe:2.3:a:ivanti:connect_secure:9.0:r3.3:*:*:*:*:*:*
ivanti connect_secure 9.0cpe:2.3:a:ivanti:connect_secure:9.0:r3.5:*:*:*:*:*:*
ivanti connect_secure 9.0cpe:2.3:a:ivanti:connect_secure:9.0:r4:*:*:*:*:*:*
ivanti connect_secure 9.0cpe:2.3:a:ivanti:connect_secure:9.0:r4.1:*:*:*:*:*:*
ivanti connect_secure 9.0cpe:2.3:a:ivanti:connect_secure:9.0:r5.0:*:*:*:*:*:*
ivanti connect_secure 9.0cpe:2.3:a:ivanti:connect_secure:9.0:r6.0:*:*:*:*:*:*
ivanti connect_secure 9.1cpe:2.3:a:ivanti:connect_secure:9.1:-:*:*:*:*:*:*
ivanti connect_secure 9.1cpe:2.3:a:ivanti:connect_secure:9.1:r1:*:*:*:*:*:*
ivanti connect_secure 9.1cpe:2.3:a:ivanti:connect_secure:9.1:r10.0:*:*:*:*:*:*
ivanti connect_secure 9.1cpe:2.3:a:ivanti:connect_secure:9.1:r10.2:*:*:*:*:*:*
ivanti connect_secure 9.1cpe:2.3:a:ivanti:connect_secure:9.1:r11.0:*:*:*:*:*:*
ivanti connect_secure 9.1cpe:2.3:a:ivanti:connect_secure:9.1:r11.1:*:*:*:*:*:*
ivanti connect_secure 9.1cpe:2.3:a:ivanti:connect_secure:9.1:r11.3:*:*:*:*:*:*
ivanti connect_secure 9.1cpe:2.3:a:ivanti:connect_secure:9.1:r2:*:*:*:*:*:*
ivanti connect_secure 9.1cpe:2.3:a:ivanti:connect_secure:9.1:r3:*:*:*:*:*:*
ivanti connect_secure 9.1cpe:2.3:a:ivanti:connect_secure:9.1:r4:*:*:*:*:*:*
ivanti connect_secure 9.1cpe:2.3:a:ivanti:connect_secure:9.1:r4.1:*:*:*:*:*:*
ivanti connect_secure 9.1cpe:2.3:a:ivanti:connect_secure:9.1:r4.2:*:*:*:*:*:*
ivanti connect_secure 9.1cpe:2.3:a:ivanti:connect_secure:9.1:r4.3:*:*:*:*:*:*
ivanti connect_secure 9.1cpe:2.3:a:ivanti:connect_secure:9.1:r5:*:*:*:*:*:*
ivanti connect_secure 9.1cpe:2.3:a:ivanti:connect_secure:9.1:r6:*:*:*:*:*:*
ivanti connect_secure 9.1cpe:2.3:a:ivanti:connect_secure:9.1:r7:*:*:*:*:*:*
ivanti connect_secure 9.1cpe:2.3:a:ivanti:connect_secure:9.1:r8:*:*:*:*:*:*
ivanti connect_secure 9.1cpe:2.3:a:ivanti:connect_secure:9.1:r8.1:*:*:*:*:*:*
ivanti connect_secure 9.1cpe:2.3:a:ivanti:connect_secure:9.1:r8.2:*:*:*:*:*:*
ivanti connect_secure 9.1cpe:2.3:a:ivanti:connect_secure:9.1:r8.4:*:*:*:*:*:*
ivanti connect_secure 9.1cpe:2.3:a:ivanti:connect_secure:9.1:r9:*:*:*:*:*:*
ivanti connect_secure 9.1cpe:2.3:a:ivanti:connect_secure:9.1:r9.1:*:*:*:*:*:*
ivanti connect_secure 9.1cpe:2.3:a:ivanti:connect_secure:9.1:r9.2:*:*:*:*:*:*

참고 자료 6

https://blog.pulsesecure.net/pulse-connect-secure-security-update/
Vendor Advisory
https://kb.cert.org/vuls/id/213092
Third Party AdvisoryUS Government Resource
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44784/
Broken LinkVendor Advisory
https://www.fireeye.com/blog/threat-research/2021/04/suspected-apt-actors-leverage-bypass-techniques-pulse-secure-zero-day.html
Third Party Advisory
https://www.kb.cert.org/vuls/id/213092
US Government Resource
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22893
US Government Resource

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