Exploit / PoCcriticalExploited in the wild

Is there a link between Microsoft Exchange exploits and PoC code the company shared with partner security firms?

Security Affairsby @securityaffairsMar 16, 2021 · 07:48 UTC (Mar 16, 2021)3 min read2 · 1 read

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CVEs: CVE-2021-26855 CVE-2021-26857 CVE-2021-26858 CVE-2021-27065 CVE-2012-0002

Tags: cve-2021-26855 cve-2021-26857 cve-2021-26858 cve-2021-27065 cve-2012-0002 exploit

Vulnerabilities mentioned

All

CVE	Vulnerability	CVSS	EPSS	Signals	Published
CVE-2021-26855 +3 related CVEs CVE-2021-27065 CVE-2021-26857 CVE-2021-26858	Unauthenticated SSRF/RCE in Microsoft Exchange Server (ProxyLogon)	9.1 group max	100%	KEVRansomwarePoC ×4	Mar 3, 2021 KEV Nov 3, 2021

From the original article

3 min read at securityaffairs.com

Microsoft is reportedly investigating whether the recent attacks against Microsoft Exchange servers could be linked to information leaked by a partner security firm.

Security Affairs

By @securityaffairs · securityaffairs.com

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