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Medium severity · published Sep 16, 2020
CVE-2020-3990
VMware Workstation (15.x) and Horizon Client for Windows (5.x before 5.4.4) contain an information disclosure vulnerability due to an integer overflow issue in Cortado ThinPrint…
6.5
CVSS
0.3%
EPSS
No
On KEV
Description
VMware Workstation (15.x) and Horizon Client for Windows (5.x before 5.4.4) contain an information disclosure vulnerability due to an integer overflow issue in Cortado ThinPrint component. A malicious actor with normal access to a virtual machine may be able to exploit this issue to leak memory from TPView process running on the system where Workstation or Horizon Client for Windows is installed. Exploitation is only possible if virtual printing has been enabled. This feature is not enabled by default on Workstation but it is enabled by default on Horizon Client.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 25% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HC
Horizon Client · Vmware
5.0.0 before 5.4.4 · source: NVD
WP
Workstation Player · Vmware
15.0.0 before 16.0.0 · source: NVD
WP
Workstation Pro · Vmware
15.0.0 before 16.0.0 · source: NVD
Affected product
HC
Horizon Client
Vmware
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-3990
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-3990
Vendor Advisory
https://www.vmware.com/security/advisories/VMSA-2020-0020.html
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