Uncontrolled search path in VMware Tools for Windows, VMware Remote Console for Windows…
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-427.
Summary
VMware Tools for Windows (11.x.y prior to 11.2.6), VMware Remote Console for Windows (12.x prior to 12.0.1) , VMware App Volumes (2.x prior to 2.18.10 and 4 prior to 2103) contain a local privilege escalation vulnerability. An attacker with normal access to a virtual machine may exploit this issue by placing a malicious file renamed as `openssl.cnf' in an unrestricted directory which would allow code to be executed with elevated privileges.
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 Tools for Windows, VMware Remote Console for Windows and VMware App Volumes | VMware Tools for Windows (11.x.y prior to 11.2.6), VMware Remote Console for Windows (12.x prior to 12.0.1) , VMware App Volumes (2.x prior to 2.18.10 and 4 prior to 2103) | — | No fix listed | CNA |
- VMware Tools for Windows, VMware Remote Console for Windows and VMware App Volumes Vendor— Affected VMware Tools for Windows (11.x.y prior to 11.2.6), VMware Remote Console for Windows (12.x prior to 12.0.1) , VMware App Volumes (2.x prior to 2.18.10 and 4 prior to 2103) Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:vmware:app_volumes:*:*:*:*:*:*:*:* | 2.0 to before 2.18.10; 4 to before 2103 | Vulnerable | VMware |
| cpe:2.3:a:vmware:remote_console:*:*:*:*:*:windows:*:* | 12.0.0 to before 12.0.1 | Vulnerable | VMware |
| cpe:2.3:a:vmware:tools:*:*:*:*:*:windows:*:* | 11.0.0 to before 11.2.6 | Vulnerable | VMware |
- cpe:2.3:a:vmware:app_volumes:*:*:*:*:*:*:*:* Versions 2.0 to before 2.18.10; 4 to before 2103 Vulnerable ·VMware
- cpe:2.3:a:vmware:remote_console:*:*:*:*:*:windows:*:* Versions 12.0.0 to before 12.0.1 Vulnerable ·VMware
- cpe:2.3:a:vmware:tools:*:*:*:*:*:windows:*:* Versions 11.0.0 to before 11.2.6 Vulnerable ·VMware
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-21999
- 2026-10-03 Alias added: GHSA-cc95-jcm8-xmfh
References
More VMware App Volumes vulnerabilities
- TI-2020-03473 Cross-site scripting in VMware App Volumes CVSS 3.1MEDIUM 5.4
Sources
- CVE-2021-21999 · CVE Program
- CVE-2021-21999 · NVD
- FIRST EPSS
- GHSA-cc95-jcm8-xmfh · GitHub Advisory Database · CC BY 4.0
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