Improper access control in VMware ESXi - CVE-2021-22042
Published: February 15, 2022
Vulnerability identifier: #VU60619
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-22042
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: VMware, Inc
Affected software:
VMware ESXi
VMware ESXi
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to VMX having access to settingsd authorization tickets. A local user with privileges within the VMX process only can access settingsd service running as a high privileged user.
How to mitigate CVE-2021-22042
Install updates from vendor's website.