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.
Published 2021-05-24 12:15:08
Updated 2021-06-04 19:27:03
Source VMware
View at NVD,   CVE.org
Vulnerability category: Information leak

Threat overview for CVE-2021-21989

Top countries where our scanners detected CVE-2021-21989
Top open port discovered on systems with this issue 443
IPs affected by CVE-2021-21989 2,775
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2021-21989!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2021-21989

0.05%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 13 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-21989

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
2.1
LOW AV:L/AC:L/Au:N/C:P/I:N/A:N
3.9
2.9
NIST
6.5
MEDIUM CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
2.0
4.0
NIST

CWE ids for CVE-2021-21989

  • The product reads data past the end, or before the beginning, of the intended buffer.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-21989

Products affected by CVE-2021-21989

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