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TI-2020-01414 Aliases CVE-2020-1455GHSA-6pcm-x8v9-rgxq

Microsoft SQL Server Management Studio Denial of Service Vulnerability

Priority LOW 27Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

A denial of service vulnerability exists when Microsoft SQL Server Management Studio (SSMS) improperly handles files. An attacker could exploit the vulnerability to trigger a denial of service. To exploit the vulnerability, an attacker would first require execution on the victim system. The security update addresses the vulnerability by ensuring Microsoft SQL Server Management Studio properly handles files.

Why it matters now

EPSS 0.01228 69th percentileScored 2026-11-07
Fix Fixed SQL Server Management Studio 18.6 (Microsoft): publication

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftSQL Server Management Studio 18.618.0 to before publicationpublicationPatch availableCNA
  • SQL Server Management Studio 18.6 VendorMicrosoft Affected 18.0 to before publication Fixed in publication Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:sql_server_management_studio:*:*:*:*:*:*:*:*before 18.6VulnerableMicrosoft
  • cpe:2.3:a:microsoft:sql_server_management_studio:*:*:*:*:*:*:*:* Versions before 18.6 Vulnerable ·Microsoft

Remediation

  • Fix · CNA SQL Server Management Studio 18.6 (Microsoft) Fixed in publication

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-1455
  2. 2026-10-03 Alias added: GHSA-6pcm-x8v9-rgxq

References

Patch 1

  • TI-2018-06197 XML external entity injection in Microsoft SQL Server Management Studio 17.9 CVSS 3.0MEDIUM 5.5
  • TI-2018-06196 XML external entity injection in Microsoft SQL Server Management Studio 17.9 CVSS 3.0MEDIUM 5.5
  • TI-2018-06192 XML external entity injection in Microsoft SQL Server Management Studio 17.9 CVSS 3.0MEDIUM 5.5
  • TI-2026-46814 Microsoft SQL Server Elevation of Privilege Vulnerability CVSS 3.1CRITICAL 9.6
  • TI-2019-01088 Improper handling of exceptional conditions in Microsoft SQL Server Management Studio CVSS 3.1MEDIUM 6.5
  • TI-2019-01027 Improper handling of exceptional conditions in Microsoft SQL Server Management Studio CVSS 3.1MEDIUM 6.5
See all 7 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences