Microsoft Exchange Server ChainedSerializationBinder Remote Code Execution

This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework require 'nokogiri' class MetasploitModule 'Microsoft Exchange Server ChainedSerializationBinder RCE', 'Description' = %q This module exploits vulnerabilities within the...

Microsoft Exchange Server ChainedSerializationBinder Remote Code Execution Exploit

This Metasploit module exploits vulnerabilities within the ChainedSerializationBinder as used in Exchange Server 2019 CU10, Exchange Server 2019 CU11, Exchange Server 2016 CU21, and Exchange Server 2016 CU22 all prior to Mar22SU. Note that authentication is required to exploit these...

Metasploit Weekly Wrap-Up

Exchange RCE Exchange remote code execution vulnerabilities are always valuable exploits to have. This week Metasploit added an exploit for an authenticated RCE in Microsoft Exchange servers 2016 and server 2019 identified as CVE-2021-42321. The flaw leveraged by the exploit exists in a...

Exploit for CVE-2021-42321

CVE-2021-42321 Microsoft...

Microsoft Exchange Server Remote Code Execution (CVE-2021-42321)

A remote code execution vulnerability exists in Microsoft Exchange Server. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code on the affected system...

[updated] Patch now! Microsoft plugs actively exploited zero-days and other updates

On what might seem a relatively calm Patch Tuesday with 55 vulnerabilities being patched, the fact that six of them were rated “Critical” and two of them actively exploited spoils the Zen factor somewhat. Publicly disclosed computer security flaws are listed in the Common Vulnerabilities and...

CVE-2021-42321

Microsoft Exchange Server Remote Code Execution Vulnerability...

CVE-2021-42321 Microsoft Exchange Server Remote Code Execution Vulnerability

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CVE-2021-42321

CVE-2021-42321 (Microsoft Exchange Server RCE) is a post-authentication deserialization vulnerability in Exchange that can lead to RCE via a crafted SOAP request. Public writeups describe exploiting the chained binder deserialization path: TypedBinaryFormatter.DeserializeObject → ExchangeBinaryFo...

CVE-2021-42321

Microsoft Exchange Server Remote Code Execution Vulnerability Recent assessments: gwillcox-r7 at November 21, 2021 5:55pm UTC reported: A PoC for this vulnerability is now available at https://gist.github.com/testanull/0188c1ae847f37a70fe536123d14f398. There is also a Metasploit module at...

VulnCheck KEV: CVE-2021-42321

An authenticated attacker could leverage improper validation in cmdlet arguments within Microsoft Exchange and perform remote code execution...

KLA12342 Multiple vulnerabilities in Microsoft Server Software

Multiple vulnerabilities were found in Microsoft Server Software. Malicious users can exploit these vulnerabilities to perform cross-site scripting attack, execute arbitrary code, spoof user interface. Below is a complete list of vulnerabilities: 1. A spoofing vulnerability in Microsoft Exchange...