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Rewterz Threat Advisory – Multiple Microsoft Exchange Server Vulnerabilities

Severity

High

Analysis Summary

CVE-2022-41080 CVSS:8.8
Microsoft Exchange Server could allow a remote authenticated attacker to gain elevated privileges on the system. By sending a specially-crafted request, an authenticated attacker could exploit this vulnerability to execute arbitrary code with higher privileges.

CVE-2022-41079 CVSS:8
Microsoft Exchange Server could allow a remote authenticated attacker to conduct spoofing attacks.

CVE-2022-41078 CVSS:8
Microsoft Exchange Server could allow a remote authenticated attacker to conduct spoofing attacks.

Impact

  • Privilege Escalation
  • Gain Access

Indicators Of Compromise

CVE

  • CVE-2022-41051
  • CVE-2022-41085

Affected Vendors

Microsoft

Affected Products

  • Microsoft Exchange Server 2013 CU23
  • Microsoft Exchange Server 2016 CU22
  • Microsoft Exchange Server 2019 CU11
  • Microsoft Exchange Server 2016 CU23
  • Microsoft Exchange Server 2019 CU12

Remediation

Use Microsoft Automatic Update to apply the appropriate patch for your system, or the Microsoft Security Update Guide to search for available patches. 

Microsoft Security TechCenter