What is CVE-2025-22225?
VMware ESXi contains an arbitrary write vulnerability. A malicious actor with privileges within the VMX process may trigger an arbitrary kernel write leading to an escape of the sandbox.
The record classifies CVE-2025-22225 under weakness classes CWE-787, CWE-123. Its CVSS v3 base vector states that the flaw requires local access to the host, needs high-privilege credentials, needs no user interaction, and has high impact on confidentiality, integrity, availability. 55 affected-product entries are recorded, across 1 vendor, listed below. The identifier was first published 580 days ago.
Severity and exploitation probability
- CVSS v3.1 base score
- 8.2 — HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - EPSS (FIRST)
- 8.5% probability of exploitation in the next 30 days, higher than 92.3% of all scored CVEs
- CISA KEV
- Listed since 2025-03-04, federal remediation deadline 2025-03-25 — used in known ransomware campaigns
- Threadlinqs priority
- 10/10 — CISA lists it as used in ransomware, which Threadlinqs scores at the maximum
- Published
- 2025-03-04, last modified 2025-10-30
Is CVE-2025-22225 being exploited?
CISA added CVE-2025-22225 to the Known Exploited Vulnerabilities catalog on 2025-03-04, which means the agency holds evidence of exploitation in the wild; US federal civilian agencies had to remediate it by 2025-03-25 under BOD 22-01. CISA flags the vulnerability as one used in known ransomware campaigns. It currently carries a trending score of 38 in the Threadlinqs vulnerability feed.
Affected products and versions
- Vmware: Esxi 7.0, Esxi 8.0, Cloud Foundation, Telco Cloud Infrastructure 2.2, Telco Cloud Infrastructure 2.5, Telco Cloud Infrastructure 2.7, Telco Cloud Infrastructure 3.0, Telco Cloud Platform 2.0, Telco Cloud Platform 2.5, Telco Cloud Platform 2.7, Telco Cloud Platform 3.0, Telco Cloud Platform 4.0, Telco Cloud Platform 4.0.1, Telco Cloud Platform 5.0
Showing 14 of 55 recorded product entries.
How to fix CVE-2025-22225
Vendor advisory: https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/25390. Because CVE-2025-22225 is KEV-listed, US federal civilian agencies were required to apply the vendor fix, or stop using the product, by 2025-03-25. Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.
Threat activity tracking CVE-2025-22225
2 tracked threats in the Threadlinqs corpus reference CVE-2025-22225, either in the campaign’s CVE list or as an indicator on the campaign record.
Sources
Seeded from nvd and not yet processed by the Threadlinqs enrichment pipeline, so blank CVSS, EPSS or KEV fields above mean NOT MEASURED rather than measured-absent.