Vulnerability Intelligence Report
CVE-2021-21989
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 (TTC 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.
No Active Exploit Signals
CVSS Base Score
6.5
MEDIUM
EPSS Probability:0.45%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
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SSVC Action
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Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| vmware | workstation | all |
| vmware | horizon_client | all |
| microsoft | windows | all |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.453%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | VMware by Broadcom · Vendor · USA |
| Reserved | 2021-01-04T00:00:00 |
| Published | 2021-05-24T11:43:34 |
| Last Updated | 2024-08-03T18:30:23 |
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