Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2023-36745

8HIGH

Key Information:

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

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 76%

Summary

A remote code execution vulnerability exists in Microsoft Exchange Server, allowing an attacker to execute arbitrary code on the affected server. This can lead to unauthorized access and potential system compromise. It is essential for users to apply the latest security updates to mitigate this vulnerability. For detailed information, refer to the vendor's advisory.

Affected Version(s)

Microsoft Exchange Server 2016 Cumulative Update 23 x64-based Systems 15.01.0 < 15.01.2507.032

Microsoft Exchange Server 2019 Cumulative Update 12 x64-based Systems 15.02.0 < 15.02.1118.037

Microsoft Exchange Server 2019 Cumulative Update 13 x64-based Systems 15.02.0 < 15.02.1258.025

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2023-36745
Created by N1k0la-T

References

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

EPSS Score

76% chance of being exploited in the next 30 days.

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

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.