CVE-2021-28480 Microsoft Exchange - Pre-Auth SSRF / ACL Bypass (ProxyNotFound) · CloudMap

严重CVE-2021-28480RCE

Microsoft Exchange - Pre-Auth SSRF / ACL Bypass (ProxyNotFound)

披露于 2021/04/13 · 更新于 2026/07/25

CVSS 评分9.8/ 10.0

EPSS 概率67.8%百分位 98.5%

漏洞描述

Microsoft Exchange Server Remote Code Execution Vulnerability

建议关注厂商安全公告，及时升级至已修复版本，并结合实际资产暴露情况采取缓解措施。

RELATED INTELLIGENCE

与 Microsoft Exchange Server 相关的其他公开漏洞。

漏洞与影响对象	风险等级	CVSS	EPSS	利用情报	披露时间
ms_exchange_user_enum Microsoft Exchange Autodiscover - User Enumeration Microsoft Exchange Server	低危	—	—	PoCEXP	2024/07/04
ms_exchange_local_domain Microsoft Exchange Autodiscover - Local Domain Exposure Microsoft Exchange Server	低危	—	—	PoCEXP	2024/05/13
CVE-2021-41349 Microsoft Exchange Server Pre-Auth POST Based Cross-Site Scripting Microsoft Exchange Server	中危	6.5	91.4%	PoCEXP	2021/11/09
CVE-2021-33766 Microsoft Exchange - Authentication Bypass Microsoft Exchange Server	高危	7.3	93.6%	PoCEXP	2021/07/14
CVE-2021-34473RCE Exchange Server - Remote Code Execution Microsoft Exchange Server	严重	9.1	94.2%	PoCEXP	2021/07/13
CVE-2021-31195 Microsoft Exchange Server - Cross-Site Scripting Microsoft Exchange Server	中危	6.5	75.4%	PoCEXP	2021/05/11