VMware Fusion (11.x before 11.5.5), VMware Remote Console for Mac (11.x and prior before…
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
VMware Fusion (11.x before 11.5.5), VMware Remote Console for Mac (11.x and prior before 11.2.0 ) and Horizon Client for Mac (5.x and prior before 5.4.3) contain a privilege escalation vulnerability due to improper XPC Client validation. Successful exploitation of this issue may allow attackers with normal user privileges to escalate their privileges to root on the system where Fusion, VMware Remote Console for Mac or Horizon Client for Mac is installed.
Why it matters now
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 Fusion, VMware Remote Console for Mac and Horizon Client for Mac | VMware Fusion (11.x before 11.5.5), VMware Remote Console for Mac (11.x and prior before 11.2.0 ) and Horizon Client for Mac (5.x and prior before 5.4.3) | — | No fix listed | CNA |
- VMware Fusion, VMware Remote Console for Mac and Horizon Client for Mac Vendor— Affected VMware Fusion (11.x before 11.5.5), VMware Remote Console for Mac (11.x and prior before 11.2.0 ) and Horizon Client for Mac (5.x and prior before 5.4.3) Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:vmware:fusion:*:*:*:*:*:*:*:* | 11.0.0 to before 11.5.5 | Vulnerable | VMware |
| cpe:2.3:a:vmware:horizon_client:*:*:*:*:*:*:*:* | 5.0.0 to before 5.4.3 | Vulnerable | VMware |
| cpe:2.3:a:vmware:remote_console:*:*:*:*:*:*:*:* | 11.0.0 to before 11.2.0 | Vulnerable | VMware |
| cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Apple |
- cpe:2.3:a:vmware:fusion:*:*:*:*:*:*:*:* Versions 11.0.0 to before 11.5.5 Vulnerable ·VMware
- cpe:2.3:a:vmware:horizon_client:*:*:*:*:*:*:*:* Versions 5.0.0 to before 5.4.3 Vulnerable ·VMware
- cpe:2.3:a:vmware:remote_console:*:*:*:*:*:*:*:* Versions 11.0.0 to before 11.2.0 Vulnerable ·VMware
- cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Apple
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-3974
- 2026-10-03 Alias added: GHSA-2752-84hq-w9hq
References
More VMware Fusion vulnerabilities
- TI-2020-03448 Improper privilege management in VMware Fusion, VMware Remote Console for Mac and Horizon… KEVCVSS 3.1HIGH 7.8
- TI-2025-16137 Out-of-bounds read in ESXi KEVCVSS 3.1HIGH 7.1
- TI-2017-03716 Observable discrepancy in Intel Most Modern Operating Systems CVSS 3.1MEDIUM 5.6
- TI-2017-03034 Memory corruption in VMware Workstation Pro/Player CVSS 3.0CRITICAL 9.9
- TI-2016-04622 Untrusted search path vulnerability in the HGFS (aka Shared Folders) feature in VMware… CVSS 3.1HIGH 7.8
- TI-2011-03420 Buffer overflow in VMware Workstation 7.x before 7.1.5, VMware Player 3.x before 3.1.5… CVSS 2.0HIGH 9.3
Sources
- CVE-2020-3974 · CVE Program
- CVE-2020-3974 · NVD
- FIRST EPSS
- GHSA-2752-84hq-w9hq · GitHub Advisory Database · CC BY 4.0
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