SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-22042

VMware ESXi contains an unauthorized access vulnerability due to VMX having access to settingsd authorization tickets.

HIGH 7.8EPSS 0.30%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.30%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.30% probability · 22th percentile
CISA KEV
Not listed
Weakness
CWE-863
Affected
vmware/cloud foundation · vmware/esxi
Source
security@vmware.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.