XXE in Microsoft SQL Server Management Studio
CVE-2018-8533
An information disclosure vulnerability exists in Microsoft SQL Server Management Studio (SSMS) when parsing malicious XML content 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-2018-8532.
Vulnerability class: XXE (XML External Entity)
EPSS: 0.234 (97.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
Affected products
- Microsoft Sql_server_management_studio — versions 17.9, 18.0
- Microsoft Sql Server Management Studio 17.9 — versions SQL Server Management Studio 17.9
- Microsoft Sql Server Management Studio 18.0 — versions (Preview 4)
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secure@microsoft.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- secure@microsoft.com (Exploit, VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
- secure@microsoft.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- secure@microsoft.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
Frequently asked questions
- What is CVE-2018-8533?
- CVE-2018-8533 is a medium-severity vulnerability in Microsoft SQL Server Management Studio, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 5.5/10. Published 2018-10-10.
- How severe is CVE-2018-8533?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2018-8533 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.