CVE-2020-3948 Privilege escalation in Fusion
Local attackers in Linux guest VMs can escalate privileges to root via improper file permissions in Cortado Thinprint when virtual printing is enabled.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-3948?
CVE-2020-3948 is a high-severity vulnerability in Vmware Fusion, published on 16 Mar 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Linux Guest VMs running on VMware Workstation (15.x before 15.5.2) and Fusion (11.x before 11.5.2) contain a local privilege escalation vulnerability due to improper file permissions in Cortado Thinprint. Local attackers with non-administrative access to a Linux guest VM with virtual printing enabled may exploit this issue to elevate their privileges to root on the same guest VM.
Weakness: CWE-732
Which versions are affected by CVE-2020-3948?
It affects 2 products.
Products include Vmware Fusion, Vmware Workstation.
How do I fix CVE-2020-3948?
No fix has been published for CVE-2020-3948 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-3948 being exploited?
There is no known exploitation of CVE-2020-3948 in the wild and no public exploit code.
Other vulnerabilities in Vmware Fusion
Sources
Also known as GHSA-8vx8-8442-ph7f.