Buffer overflow in VMware Cloud Foundation

CVE-2022-31696

VMware ESXi contains a memory corruption vulnerability that exists in the way it handles a network socket. A malicious actor with local access to ESXi may exploit this issue to corrupt memory leading to an escape of the ESXi sandbox.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (23.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 23.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2022-31696: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: -0.000

Affected products

  • VMware Cloud Foundation — versions 3.10, 3.11, 4.3.11
  • VMware Esxi — versions 6.5, 6.7, 7.0
  • VMware Esxi, Cloud Foundation — versions 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)

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2022-31696?
CVE-2022-31696 is a high-severity vulnerability in VMware Cloud Foundation, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2022-12-13.
How severe is CVE-2022-31696?
High severity. CVSS v3 base score is 8.8 out of 10.