CVE-2021-21999

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-427

Affected software

Vendor	Product	Versions
n/a	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)

References

https://www.vmware.com/security/advisories/VMSA-2021-0013.htmlPatch, Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-754/Third Party Advisory, VDB Entry
https://www.vmware.com/security/advisories/VMSA-2021-0013.htmlPatch, Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-754/Third Party Advisory, VDB Entry

Timeline

Published: Jun 23, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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