Multiple vulnerabilities in Microsoft Exchange Server

Description

Multiple vulnerabilities were found in Microsoft Exchange Server. 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 Server can be exploited remotely to spoof user interface.
2. A remote code execution vulnerability in Microsoft Exchange Server can be exploited remotely to execute arbitrary code.

Original advisories

• CVE-2021-41349

• CVE-2021-42321
• CVE-2021-42305

Exploitation

Public exploits exist for this vulnerability.

Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.

Related products

• Microsoft-Exchange-Server

CVE list

• CVE-2021-41349
  high
• CVE-2021-42321
  critical
• CVE-2021-42305
  high

KB list

• 5007409

Read more

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