Multiple vulnerabilities in Microsoft Exchange Server

Popis

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.

Oficiální doporučení

• CVE-2021-31198

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

Vykořisťování

This vulnerability can be exploited by the following malware:

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

Public exploits exist for this vulnerability.

Související produkty

• Microsoft-Exchange-Server

seznam CVE

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

seznam KB

• 5003435

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