CISA KEV 정보
| 취약점명 | Microsoft Exchange Server Remote Code Execution Vulnerability |
|---|---|
| 설명 | Microsoft Exchange Server contains an unspecified vulnerability that allows for remote code execution. This vulnerability is part of the ProxyLogon exploit chain. |
| 조치사항 | Apply updates per vendor instructions. |
| 랜섬웨어 캠페인 악용 | Known |
| CWE | CWE-918 |
| 등록일 (KEV) | 2021-11-03 |
| 조치 기한 | 2022-05-03 |
| 추가 참고 | Reference CISA's ED 21-02 (https://www.cisa.gov/news-events/directives/ed-21-02-mitigate-microsoft-exchange-premises-product-vulnerabilities) for further guidance and requirements. Note: The due date for addressing this vulnerability aligns with the requirements outlined in ED 21-02. https://nvd.nist.gov/vuln/detail/CVE-2021-26855 |
NVD 상세 정보
CVSS v3.1: 9.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:NCVSS v2.0: 7.5
AV:N/AC:L/Au:N/C:P/I:P/A:P설명: Microsoft Exchange Server Remote Code Execution Vulnerability
CWE: CWE-918 | CWE-918
참조
- http://packetstormsecurity.com/files/161846/Microsoft-Exchange-2019-SSRF-Arbitrary-File-Write.html [Exploit, Third Party Advisory, VDB Entry]
- http://packetstormsecurity.com/files/161938/Microsoft-Exchange-ProxyLogon-Remote-Code-Execution.html [Exploit, Third Party Advisory, VDB Entry]
- http://packetstormsecurity.com/files/162610/Microsoft-Exchange-2019-Unauthenticated-Email-Download.html [Exploit, Third Party Advisory, VDB Entry]
- http://packetstormsecurity.com/files/162736/Microsoft-Exchange-ProxyLogon-Collector.html [Exploit, Third Party Advisory, VDB Entry]
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26855 [Patch, Vendor Advisory]
- http://packetstormsecurity.com/files/161846/Microsoft-Exchange-2019-SSRF-Arbitrary-File-Write.html [Exploit, Third Party Advisory, VDB Entry]
- http://packetstormsecurity.com/files/161938/Microsoft-Exchange-ProxyLogon-Remote-Code-Execution.html [Exploit, Third Party Advisory, VDB Entry]
- http://packetstormsecurity.com/files/162610/Microsoft-Exchange-2019-Unauthenticated-Email-Download.html [Exploit, Third Party Advisory, VDB Entry]
- http://packetstormsecurity.com/files/162736/Microsoft-Exchange-ProxyLogon-Collector.html [Exploit, Third Party Advisory, VDB Entry]
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26855 [Patch, Vendor Advisory]
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-26855 [US Government Resource]
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