THREATPORT/VULNERABILITY/CVE-2021-22045
HIGH SEVERITY

CVE-2021-22045

Cloud Foundation vulnerability

CVSS
7.8
EPSS
4.7%
EPSS pct
91th
Exploited
No known
VMware ESXi (7.0, 6.7 before ESXi670-202111101-SG and 6.5 before ESXi650-202110101-SG), VMware Workstation (16.2.0) and VMware Fusion (12.2.0) contains a heap-overflow vulnerability in CD-ROM device emulation. A malicious actor with access to a virtual machine with CD-ROM device emulation may be able to exploit this vulnerability in conjunction with other issues to execute code on the hypervisor from a virtual machine.
Affected vendor
Vmware
Affected product
Cloud Foundation
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness type (CWE)
Published
2022-01-04

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable with local access, high attack complexity, requiring low privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 4.7% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 91% of all scored CVEs.

Check your external exposure to CVE-2021-22045

  • Confirm whether Vmware Cloud Foundation is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2021-22045.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-22045

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2021-22045 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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