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.
Implement network segmentation and firewall rules to restrict access to SQL Server ports (e.g., 1433/TCP) from untrusted sources, allowing only necessary clients and applications. Ensure the SQL Server service account operates with the principle of least privilege, reducing the impact of successful exploitation. Enhance monitoring for unusual process execution or network connections originating from the SQL Server host.
Apply the latest security updates released by Microsoft for SQL Server to address CVE-2023-21713. Consult the official Microsoft security guide and update catalog to identify and install the specific patches corresponding to all affected SQL Server versions and editions in your environment. Prioritize patching critical production systems immediately after thorough testing in a staging environment.
An attacker can exploit this deserialization vulnerability to execute arbitrary code with the privileges of the SQL Server service account. This allows for full compromise of the database server, leading to data exfiltration, tampering, or complete system takeover, and potential lateral movement within the network. The business consequences include severe data breaches, service disruption, and significant reputational damage.
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."