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CVE-2022-31678

44
FAUCET Score

CVE-2022-31678 is a critical XML External Entity (XXE) vulnerability affecting VMware Cloud Foundation (VCF) 3.x instances with NSX-V deployed. This flaw allows an unauthenticated attacker to remotely trigger a denial-of-service condition or achieve unintended information disclosure. With a CVSS score of 9.1 (CRITICAL) and an EPSS score indicating high exploitability, this vulnerability poses a significant risk. While not currently in CISA's KEV catalog, Nuclei templates exist for detection, and there is substantial community discussion and media coverage, including reports of ongoing exploitation against an end-of-life product.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.11CPE matchmatch criteria
cpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:*
< 6.4.14CPE matchmatch criteria
cpe:2.3:a:vmware:nsx_data_center:*:*:*:*:*:vsphere:*:*

CVSS Data

CVSS version used by this source: 3.1

9.1CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
8.02%
Probability of exploitation in next 30 days
EPSS Percentile
94.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Nuclei: CVE-2022-31678 · Jan 22, 2026
This CVE's current EPSS score of 0.0802 is in the 89th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

vmwarevendor investigatingvia nvd_reference
View patch

References

vmware.com / security/advisories/VMSA-2022-0027.html
Vendor Advisory