KNOWN EXPLOITED VULNERABILITY
CISA KEV 处置信息
已确认在野利用已用于勒索攻击
- 加入 KEV
- 2021/11/03
- 整改期限
- 2022/05/03已逾期 1631 天
- CISA 厂商
- Microsoft
- CISA 产品
- Exchange Server
要求采取的措施
Apply updates per vendor instructions.
CISA 说明
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-2021-26857
漏洞描述
Microsoft Exchange Server contains an unspecified vulnerability that allows for remote code execution. This vulnerability is part of the ProxyLogon exploit chain.
影响产品
暂无结构化产品信息。
修复建议
Apply updates per vendor instructions.