Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2023-21742

8.8HIGH

Key Information:

Vendor
Microsoft
Status
Microsoft Sharepoint Enterprise Server 2016
Microsoft Sharepoint Enterprise Server 2013 Service Pack 1
Microsoft Sharepoint Server 2019
Microsoft Sharepoint Server Subscription Edition
Vendor
CVE Published:
10 January 2023

Badges

👾 Exploit Exists🟡 Public PoC

Summary

Microsoft SharePoint Server Remote Code Execution Vulnerability

Affected Version(s)

Microsoft SharePoint Enterprise Server 2013 Service Pack 1 x64-based Systems 15.0.0 < 15.0.5519.1000

Microsoft SharePoint Enterprise Server 2016 x64-based Systems 16.0.0 < 16.0.5378.1000

Microsoft SharePoint Foundation 2013 Service Pack 1 x64-based Systems 15.0.0 < 15.0.5519.1000

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-2023-21742
Created by ohnonoyesyes

References

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

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Collectors

NVD DatabaseMitre Database1 Proof of Concept(s)
.