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CVE-2020-3990

22
FAUCET Score

CVE-2020-3990 is an information disclosure vulnerability affecting VMware Workstation (15.x) and Horizon Client for Windows (5.x before 5.4.4), stemming from an integer overflow in the Cortado ThinPrint component. A malicious actor with normal virtual machine access could exploit this to leak memory from the TPView process on the host system, but only if virtual printing is enabled. This vulnerability has a CVSS score of 6.5 (Medium), indicating a local attack vector with low complexity and potential for high confidentiality impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.0.0, < 5.4.4CPE matchmatch criteria
cpe:2.3:a:vmware:horizon_client:*:*:*:*:*:windows:*:*
>= 15.0.0, < 16.0.0CPE matchmatch criteria
cpe:2.3:a:vmware:workstation_player:*:*:*:*:*:*:*:*
>= 15.0.0, < 16.0.0CPE matchmatch criteria
cpe:2.3:a:vmware:workstation_pro:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.0
Impact Score
4.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.32%
Probability of exploitation in next 30 days
EPSS Percentile
24.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0032 is in the 81st percentile among its peer group of 15,938 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

vmwarevendor investigatingvia nvd_reference
View patch

References

vmware.com / security/advisories/VMSA-2020-0020.html
Vendor Advisory