Multiple vulnerabilities in Microsoft Exchange Server

Descripción

Multiple vulnerabilities were found in Microsoft Exchange Server. Malicious users can exploit these vulnerabilities to execute arbitrary code, spoof user interface, bypass security restrictions.

Below is a complete list of vulnerabilities:

1. A remote code execution vulnerability in Microsoft Exchange Server can be exploited remotely to execute arbitrary code.
2. A spoofing vulnerability in Microsoft Exchange Server can be exploited remotely to spoof user interface.
3. A security feature bypass vulnerability in Microsoft Exchange Server can be exploited remotely to bypass security restrictions.

Notas informativas originales

• CVE-2021-31198

• CVE-2021-31209
• CVE-2021-31207
• CVE-2021-31195

Explotación

This vulnerability can be exploited by the following malware:

https://threats.kaspersky.com/en/threat/Exploit.Win32.ProxyShell/

Public exploits exist for this vulnerability.

Productos relacionados

• Microsoft-Exchange-Server

Lista CVE

• CVE-2021-31198
  critical
• CVE-2021-31209
  critical
• CVE-2021-31207
  high
• CVE-2021-31195
  critical

Lista KB

• 5003435

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