CVE-2020-3987: vmware horizon_client Out-of-bounds Read
Vulnerability summary
CVE-2020-3987 is a medium (CVSS 6.1) Out-of-bounds Read vulnerability in vmware horizon_client. EPSS estimates a 0.30% chance of exploitation in the next 30 days, higher than 21.3% of scored vulnerabilities.
Timeline
- 16-09-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
VMware Workstation (15.x) and Horizon Client for Windows (5.x before 5.4.4) contain an out-of-bounds read vulnerability in Cortado ThinPrint component (EMR STRETCHDIBITS parser). A malicious actor with normal access to a virtual machine may be able to exploit these issues to create a partial denial-of-service condition or to leak memory from TPView process running on the system where Workstation or Horizon Client for Windows is installed.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
0.30%
Chance of exploitation in the next 30 days
Percentile
21%
Versus all other CVEs
30-day change
0.00 pp
From 0.30% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Vmware3 products
- horizon_client≥ 5.0.0, < 5.4.4
- workstation_player≥ 15.0.0, < 16.0.0
- workstation_pro≥ 15.0.0, < 16.0.0
1 vendor · 3 products