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Improper Restriction of XML External Entity Reference


Severity Medium
Score 5.5/10


An information disclosure vulnerability exists in Microsoft SQL Server Management Studio (SSMS) when parsing a malicious XMLA file containing a reference to an external entity, aka "SQL Server Management Studio Information Disclosure Vulnerability." This affects SQL Server Management Studio 17.9, SQL Server Management Studio 18.0. This CVE ID is unique from CVE-2018-8527, CVE-2018-8533.

  • LOW
  • NONE
  • NONE
  • HIGH
  • NONE

CWE-611 - Improper Restriction of XML External Entity Reference

Listed 4th in the 'OWASP Top Ten', XML External Entities (XXE) vulnerability allows attackers to provide an XML input that contains an external entity. When the XML is parsed, it can cause data extraction and manipulation, execution of commands, denial-of-service attacks, and server-side request forgery.


Advisory Timeline

  • Published