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TI-2023-19571 Aliases CVE-2023-38151GHSA-rq23-3cx8-wmqf

Microsoft Host Integration Server 2020 Remote Code Execution Vulnerability

Priority MEDIUM 44CWE-908Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from Microsoft.

Summary

Microsoft Host Integration Server 2020 Remote Code Execution Vulnerability

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01783 78th percentileScored 2026-11-07
Fix Fixed Host Integration Server 2020 (Microsoft): KB5032921

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftHost Integration Server 20207.0 to before KB5032921KB5032921Patch availableCNA
MicrosoftHost Integration Server 20201.0.0 to before KB5032921KB5032921Patch availableCNA
  • Host Integration Server 2020 VendorMicrosoft Affected 7.0 to before KB5032921 Fixed in KB5032921 Patch available CNA
  • Host Integration Server 2020 VendorMicrosoft Affected 1.0.0 to before KB5032921 Fixed in KB5032921 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:host_integration_server:2020:*:*:*:*:*:*:*2020VulnerableMicrosoft
cpe:2.3:a:microsoft:ole_db_provider:7.0:*:*:*:*:db2:*:*7.0VulnerableMicrosoft
  • cpe:2.3:a:microsoft:host_integration_server:2020:*:*:*:*:*:*:* Versions 2020 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:ole_db_provider:7.0:*:*:*:*:db2:*:* Versions 7.0 Vulnerable ·Microsoft

Remediation

  • Fix · CNA Host Integration Server 2020 (Microsoft) Fixed in KB5032921
  • Fix · CNA Host Integration Server 2020 (Microsoft) Fixed in KB5032921

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Remote Code Execution
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Less Likely
ProductStatusPlan or fix
Host Integration Server 2020Fixed KB5032921 · Security Update
Microsoft OLE DB Provider for DB2 V7Fixed KB5032921 · Security Update

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-38151
  2. 2026-10-03 Alias added: GHSA-rq23-3cx8-wmqf

References

Patch 1

  • TI-2012-01640 The TabStrip ActiveX control in the Common Controls in MSCOMCTL.OCX in Microsoft Office… KEVCVSS 3.1HIGH 8.8
  • TI-2011-01773 Microsoft Host Integration Server (HIS) 2004 SP1, 2006 SP1, 2009, and 2010 allows remote… CVSS 2.0MEDIUM 5.0
  • TI-2011-01774 Microsoft Host Integration Server (HIS) 2004 SP1, 2006 SP1, 2009, and 2010 allows remote… CVSS 2.0MEDIUM 5.0

Sources

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