CVE-2020-3950
HIGH severity · CVSS 7.8 · Improper privilege management · actively exploited (CISA KEV)
7.8CVSS HIGH exploited
Actively exploited in the wild (CISA Known Exploited Vulnerabilities).
Added to KEV 2021-11-03. US federal agencies must patch by 2022-05-03.
Summary
VMware Fusion (11.x before 11.5.2), VMware Remote Console for Mac (11.x and prior before 11.0.1) and Horizon Client for Mac (5.x and prior before 5.4.0) contain a privilege escalation vulnerability due to improper use of setuid binaries. Successful exploitation of this issue may allow attackers with normal user privileges to escalate their privileges to root on the system where Fusion, VMRC or Horizon Client is installed.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)7%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
This vulnerability is being actively exploited in the wild — patch affected products urgently. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://www.vmware.com/security/advisories/VMSA-2020-0005.htmlAdvisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-3950
- http://packetstormsecurity.com/files/156843/VMware-Fusion-11.5.2-Privilege-Escalation.htmlAdvisory
- http://packetstormsecurity.com/files/157079/VMware-Fusion-USB-Arbitrator-Setuid-Privilege-Escalation.htmlAdvisory