What is CVE-2021-22042?

CVE-2021-22042 is a high-severity vulnerability in VMware Cloud Foundation, classified under Incorrect Authorization. CVSS score: 7.8/10. Published 2022-02-16.

How severe is CVE-2021-22042?

High severity. CVSS v3 base score is 7.8 out of 10.

Auth bypass in VMware Cloud Foundation

CVE-2021-22042

VMware ESXi contains an unauthorized access vulnerability due to VMX having access to settingsd authorization tickets. A malicious actor with privileges within the VMX process only, may be able to access settingsd service running as a high privileged user.

Vulnerability class: Broken Access Control

EPSS: 0.003 (21.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Vmware Cloud_foundation
Vmware Esxi — versions 7.0
N/a Vmware Esxi And Cloud Foundation — versions VMware ESXi(7.0 U3 before ESXi70U3c-19193900, 7.0 U2 before ESXi70U2e-19290878 and 7.0 U1 before ESXi70U1e-19324898) and VMware Cloud Foundation 4.x before 4.4

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

security@vmware.com (Patch, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-22042?: CVE-2021-22042 is a high-severity vulnerability in VMware Cloud Foundation, classified under Incorrect Authorization. CVSS score: 7.8/10. Published 2022-02-16.
How severe is CVE-2021-22042?: High severity. CVSS v3 base score is 7.8 out of 10.