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TI-2021-05032 Aliases CVE-2021-21988GHSA-w69v-q5pj-q9r2

Out-of-bounds read in VMware Workstation Pro / Player , VMware Horizon Client for Windows

Priority LOW 29CWE-125Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.

Summary

VMware Workstation (16.x prior to 16.1.2) and Horizon Client for Windows (5.x prior to 5.5.2) contain out-of-bounds read vulnerability in the Cortado ThinPrint component (JPEG2000 Parser). A malicious actor with access to a virtual machine or remote desktop may be able to exploit these issues leading to information disclosure from the TPView process running on the system where Workstation or Horizon Client for Windows is installed.

Why it matters now

EPSS 0.00453 39th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
—VMware Workstation Pro / Player (Workstation), VMware Horizon Client for WindowsVMware Workstation (16.x prior to 16.1.2) and Horizon Client for Windows (5.x prior to 5.5.2)—No fix listedCNA
  • VMware Workstation Pro / Player (Workstation), VMware Horizon Client for Windows Vendor— Affected VMware Workstation (16.x prior to 16.1.2) and Horizon Client for Windows (5.x prior to 5.5.2) Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:vmware:workstation:*:*:*:*:*:*:*:*16.0.0 to before 16.1.2VulnerableVMware
cpe:2.3:a:vmware:horizon_client:*:*:*:*:*:*:*:*5.0.0 to before 5.5.2VulnerableVMware
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:a:vmware:workstation:*:*:*:*:*:*:*:* Versions 16.0.0 to before 16.1.2 Vulnerable ·VMware
  • cpe:2.3:a:vmware:horizon_client:*:*:*:*:*:*:*:* Versions 5.0.0 to before 5.5.2 Vulnerable ·VMware
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-21988
  2. 2026-10-03 Alias added: GHSA-w69v-q5pj-q9r2

References

Patch 1

Advisory 1

  • TI-2020-03448 Improper privilege management in VMware Fusion, VMware Remote Console for Mac and Horizon… KEVCVSS 3.1HIGH 7.8
  • TI-2020-03472 VMware Fusion (11.x before 11.5.5), VMware Remote Console for Mac (11.x and prior before… CVSS 3.1HIGH 7.8
  • TI-2020-03459 Incorrect permission assignment in VMware Horizon Client for Windows CVSS 3.1HIGH 7.8
  • TI-2019-03948 Incorrect permission assignment in VMware Horizon Client for Windows CVSS 3.1HIGH 7.8
  • TI-2018-05086 VMware Horizon Client for Linux (4.x before 4.8.0 and prior) contains a local privilege… CVSS 3.0HIGH 7.8
  • TI-2018-05092 Out-of-bounds read in VMware Horizon 6, Horizon 7, and Horizon Client CVSS 3.0MEDIUM 6.5
See all 24 →

Sources

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