CVE-2022-31678
Published: 28 October 2022
Summary
CVE-2022-31678 is a critical-severity Improper Restriction of XML External Entity Reference (CWE-611) vulnerability in Vmware Cloud Foundation. Its CVSS base score is 9.1 (Critical).
Operationally, ranked in the top 0.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
VMware Cloud Foundation (NSX-V) on VCF 3.x instances contains an XML External Entity (XXE) vulnerability tracked as CVE-2022-31678 and CWE-611. The flaw resides in the NSX-V component and received a CVSS 3.1 score of 9.1, reflecting network-accessible attack vectors that require no authentication or user interaction.
An unauthenticated remote attacker can supply malicious XML to trigger the XXE condition, resulting in either a denial-of-service state or disclosure of sensitive information from the affected VCF deployment. The published EPSS score currently stands at 0.8393 with a recorded peak of 0.8596, indicating sustained exploitation interest since disclosure.
The official VMware advisory VMSA-2022-0027 provides mitigation guidance and is available at the reference URL listed for the CVE.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-53105
Vulnerability details
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.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.