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Limited ExploitationCVE-2022-31678Public Exploit

VMware Cloud Foundation (NSX-V) - XXE (CVE-2022-31678)

PublishedOct 28, 2022
First SeenN/A
Last Seen
Reported
CVSS9.1
VMware
VMwareVMware Cloud Foundation (NSX-V)
enterprise_software

Description

VMware Cloud Foundation (NSX-V) contains an XML External Entity (XXE) vulnerability. On VCF 3.x instances with NSX-V deployed, this may allow a user to exploit this issue leading to a denial-of-service condition or unintended information disclosure.

psychologyCrowdSec Analysis

CVE-2022-31678 is an XML External Entity (XXE) vulnerability in VMware Cloud Foundation (NSX-V) that could allow remote attackers to trigger denial-of-service conditions or gain unauthorized access to sensitive information. This flaw exposes affected VCF 3.x instances with NSX-V deployed to significant security risks, including data leakage and service disruption.

CrowdSec has been tracking this vulnerability and its exploits since 30th of March 2026.

CrowdSec has not observed any significant exploitation activity targeting CVE-2022-31678 across its network. As a result, no community-driven trend analysis is available for this vulnerability at this time.

Attackers exploit this vulnerability by sending crafted XML payloads to the /api/3.0/services/auth/token endpoint, attempting to trigger XXE processing and exfiltrate data or cause denial-of-service.

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EventDate
CVE Published2022-10-28
Rule Released2026-03-30

Related Weaknesses

CWE-611: Improper Restriction of XML External Entity Reference

The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.

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External References