Vulnerabilitycritical

March 2021 Patch Tuesday forecast: Off to an early start

Help Net Securityby @helpnetsecurityJun 8, 2021 · 18:28 UTC (Jun 8, 2021)3 min read2 · 1 read

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

Tags: cve-2021-26855 cve-2021-26857 cve-2021-26858 cve-2021-27065 vulnerability

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 helpnetsecurity.com

Microsoft got an early start on Patch Tuesday, releasing a series of out-of-band security updates this week to address four zero-day vulnerabilities in Exchange Server . There’s been a lot of security activity in the news, so I’m sure it is going to be a busy Patch Tuesday. The Microsoft Security Response Center reported known attacks against Exchange Server by the hacking group Hafnium.

Help Net Security

By @helpnetsecurity · helpnetsecurity.com

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