CVE-2020-3963

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

VMware ESXi (7.0 before ESXi_7.0.0-1.20.16321839, 6.7 before ESXi670-202006401-SG and 6.5 before ESXi650-202005401-SG), Workstation (15.x before 15.5.2), and Fusion (11.x before 11.5.2) contain a use-after-free vulnerability in PVNVRAM. A malicious actor with local access to a virtual machine may be able to read privileged information contained in physical memory.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-416

Affected software

Vendor	Product	Versions
VMware	VMware ESXi	7.0 before ESXi_7.0.0-1.20.16321839; 6.7 before ESXi670-202006401-SG; 6.5 before ESXi650-202005401-SG
VMware	Workstation	15.x before 15.5.2
VMware	Fusion	11.x before 11.5.2

References

http://packetstormsecurity.com/files/158459/VMware-ESXi-Use-After-Free-Out-Of-Bounds-Access.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2020/Jul/22Exploit, Mailing List, Third Party Advisory
https://www.vmware.com/security/advisories/VMSA-2020-0015.htmlVendor Advisory
http://packetstormsecurity.com/files/158459/VMware-ESXi-Use-After-Free-Out-Of-Bounds-Access.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2020/Jul/22Exploit, Mailing List, Third Party Advisory
https://www.vmware.com/security/advisories/VMSA-2020-0015.htmlVendor Advisory

Timeline

Published: Jun 25, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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