CVE-2022-31699 — VMware ESXi contains a heap-overflow vulnerability

VMware ESXi contains a heap-overflow vulnerability. A malicious local actor with restricted privileges within a sandbox process may exploit this issue to achieve a partial information disclosure.

01What is this vulnerability?

VMware ESXi contains a heap-overflow vulnerability. A malicious local actor with restricted privileges within a sandbox process may exploit this issue to achieve a partial information disclosure.

02Affected products

Vendor	Product	Versions
n	a / VMware ESXi, VMware Cloud Foundation	VMware ESXi (7.0 prior to ESXi70U3si-20841705, 6.7 prior to ESXi670-202210101-SG, 6.5 prior to ESXi650-202210101-SG), VMware Cloud Foundation (4.x, 3.x)

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2022-12-13T00:00:00.000Z
• Last modified: 2025-04-22T15:47:15.962Z

09References

• www.vmware.com — https://www.vmware.com/security/advisories/VMSA-2022-0030.html