Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Vmware | Workstation | >= 16.0.0, < 16.1.2 |
| Vmware | Horizon Client | >= 5.0.0, < 5.5.2 |
| Microsoft | Windows | - |
Related Weaknesses (CWE)
References
- https://www.vmware.com/security/advisories/VMSA-2021-0009.htmlPatchVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-610/Third Party AdvisoryVDB Entry
- https://www.vmware.com/security/advisories/VMSA-2021-0009.htmlPatchVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-610/Third Party AdvisoryVDB Entry
FAQ
What is CVE-2021-21989?
CVE-2021-21989 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 acto...
How severe is CVE-2021-21989?
CVE-2021-21989 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-21989?
Check the references section above for vendor advisories and patch information. Affected products include: Vmware Workstation, Vmware Horizon Client, Microsoft Windows.