VMware Horizon Client for Windows (5.x prior to 5.5.0) contains an information disclosure…
Priority LOW 31Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
VMware Horizon Client for Windows (5.x prior to 5.5.0) contains an information disclosure vulnerability. A malicious attacker with local privileges on the machine where Horizon Client for Windows is installed may be able to retrieve hashed credentials if the client crashes.
Why it matters now
EPSS 0.01283 70th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | VMware Horizon Client for Windows | VMware Horizon Client for Windows (5.x prior to 5.5.0) | — | No fix listed | CNA |
- VMware Horizon Client for Windows Vendor— Affected VMware Horizon Client for Windows (5.x prior to 5.5.0) Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-3998
- 2026-10-03 Alias added: GHSA-65w7-fcmg-7963
References
More VMware Horizon Client vulnerabilities
- TI-2020-03448 Improper privilege management in VMware Fusion, VMware Remote Console for Mac and Horizon… KEVCVSS 3.1HIGH 7.8
- TI-2020-03472 VMware Fusion (11.x before 11.5.5), VMware Remote Console for Mac (11.x and prior before… CVSS 3.1HIGH 7.8
- TI-2020-03459 Incorrect permission assignment in VMware Horizon Client for Windows CVSS 3.1HIGH 7.8
- TI-2019-03948 Incorrect permission assignment in VMware Horizon Client for Windows CVSS 3.1HIGH 7.8
- TI-2018-05086 VMware Horizon Client for Linux (4.x before 4.8.0 and prior) contains a local privilege… CVSS 3.0HIGH 7.8
- TI-2018-05092 Out-of-bounds read in VMware Horizon 6, Horizon 7, and Horizon Client CVSS 3.0MEDIUM 6.5
Sources
- CVE-2020-3998 · CVE Program
- CVE-2020-3998 · NVD
- FIRST EPSS
- GHSA-65w7-fcmg-7963 · GitHub Advisory Database · CC BY 4.0
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