Input validation error in VMware Tools - CVE-2021-21997
Published: June 18, 2021
Vulnerability identifier: #VU54215
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-21997
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input within the VM3DMP driver. A local unprivileged user on the guest operating system can trigger panic in the VM3DMP and perform a denial of service (DoS) attack against the guest operating system.
Affected software
VMware Tools
Dell Enterprise Hybrid Cloud
Dell Enterprise Hybrid Cloud
How to mitigate CVE-2021-21997
Install updates from vendor's website.
VMware Tools - update to 11.3.0
Dell Enterprise Hybrid Cloud - update to 4.1.2
Dell Enterprise Hybrid Cloud - update to 4.1.2