Microsoft SQL Server Remote Code Execution
Severe, but no confirmed exploitation yet. Schedule remediation in your next patch cycle and apply mitigations if you're exposed.
An attacker with a basic user account, remotely over the network, with no user interaction, can fully compromise the system — steal data, tamper with it and take it offline.
Microsoft SQL Server Remote Code Execution Vulnerability
Inferred from the weakness type (CWE) and how the flaw is reached — the techniques an attacker would chain to exploit this. Real-world corroboration appears here as threat intel is folded in.
Generated by Wavense from the CVE record — an immediate mitigation and the permanent fix.
Isolate SQL Server instances from the public internet and restrict network access to trusted hosts and users only, preferably using firewalls and network segmentation. Implement strong authentication policies and the principle of least privilege for all SQL accounts to limit potential attacker capabilities. Enhance monitoring for unusual login attempts or suspicious process execution on SQL Server hosts.
The permanent resolution is to apply the specific security updates released by Microsoft for CVE-2023-21705. These patches address the underlying vulnerability in affected versions including SQL Server 2019, SQL Server 2022, and Azure SQL Edge. Regularly review Microsoft's Security Update Guide and deploy updates promptly to ensure system integrity.
An authenticated attacker can execute arbitrary code with elevated privileges on the vulnerable SQL Server instance. This can lead to complete compromise of the database server, enabling data theft, modification, or even using the server as a pivot point for further network attacks, causing significant business disruption and data loss.
Other CVEs affecting sql server
A remote code execution vulnerability exists in Microsoft SQL Server Reporting Services when it incorrectly handles page requests, aka 'Microsoft SQL Server Reporting Services Remote Code Execution Vulnerability'.
A remote code execution vulnerability exists in Microsoft SQL Server when it incorrectly handles processing of internal functions, aka 'Microsoft SQL Server Remote Code Execution Vulnerability'.
The TabStrip ActiveX control in the Common Controls in MSCOMCTL.OCX in Microsoft Office 2003 SP3, Office 2003 Web Components SP3, Office 2007 SP2 and SP3, Office 2010 SP1, SQL Server 2000 SP4, SQL Server 2005 SP4, SQL Server 2008 SP2, SP3, R2, R2 SP1, and R2 SP2, Commerce Server 2002 SP4, Commerce Server 2007 SP2, Commerce Server 2009 Gold and R2, Host Integration Server 2004 SP1, Visual FoxPro 8.0 SP1, Visual FoxPro 9.0 SP2, and Visual Basic 6.0 Runtime allows remote attackers to execute arbitrary code via a crafted (1) document or (2) web page that triggers system-state corruption, aka "MSCOMCTL.OCX RCE Vulnerability."