CVE-2020-3950 on CISA KEV

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

01What CISA says about this vulnerability

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…

02Required action — verbatim from CISA

Apply updates per vendor instructions.

03Notes & references

• www.vmware.com — https://www.vmware.com/security/advisories/VMSA-2020-0005.html
• packetstormsecurity.com — http://packetstormsecurity.com/files/156843/VMware-Fusion-11.5.2-Privilege-Escal…
• packetstormsecurity.com — http://packetstormsecurity.com/files/157079/VMware-Fusion-USB-Arbitrator-Setuid-…

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

Vendor	Product	Versions
n	a / VMware Fusion, VMware Remote Console for Mac and Horizon Client for Mac	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)

06Detection

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection:

Open in Sigma generator →