Microsoft Exchange Server Spoofing Vulnerability
CVE-2023-36035

8HIGH

Key Information:

Vendor
Microsoft
Status
Microsoft Exchange Server 2016 Cumulative Update 23
Microsoft Exchange Server 2019 Cumulative Update 12
Microsoft Exchange Server 2019 Cumulative Update 13
Vendor
CVE Published:
14 November 2023

Summary

A spoofing vulnerability in Microsoft Exchange Server enables attackers to impersonate legitimate users, potentially leading to unauthorized access and manipulation of sensitive information. This vulnerability could be exploited without user interaction, making timely updates and patches crucial for maintaining secure communications within organizations. For more details and remediation steps, please refer to the official Microsoft advisory.

Affected Version(s)

Microsoft Exchange Server 2016 Cumulative Update 23 x64-based Systems 15.01.0 < 15.01.2507.035

Microsoft Exchange Server 2019 Cumulative Update 12 x64-based Systems 15.02.0 < 15.02.1118.040

Microsoft Exchange Server 2019 Cumulative Update 13 x64-based Systems 15.02.0 < 15.02.1258.028

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisory

CVSS V3.1

Score:
8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.