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Known exploited vulnerability

CVE-2025-22225

highCVSS 3.1 8.2In CISA KEVRansomwareEPSS 1.0%Published · n/a

The short answer

CVE-2025-22225 affects n/a VMware ESXi and is rated high (CVSS 8.2). CISA added it to the Known Exploited Vulnerabilities catalog on 2025-03-04: attackers are using it, so patch it first.

What it is

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.

Weakness: CWE-787, CWE-123.

Severity

8.2 high

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Exploited (CISA KEV)

Yes, since Mar 4, 2025

Federal due date Mar 25, 2025

EPSS, next 30 days

1.0%

Higher than 64% of scored CVEs

How it can be exploited

Attack vector
Local
Attack complexity
Low
Privileges required
High
User interaction
None
Scope
Changed
Confidentiality impact
High
Integrity impact
High
Availability impact
High

What CISA says to do

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Affected products

VMware ESXi, VMware Cloud Foundation, VMware Telco Cloud Platform, VMware Telco Cloud Infrastructure. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2025-22225 being exploited?

Yes. CISA added CVE-2025-22225 to its Known Exploited Vulnerabilities catalog on 2025-03-04, with a federal remediation due date of 2025-03-25. CISA lists it as used in ransomware campaigns.

How do I fix CVE-2025-22225?

CISA's required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

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