VMware ESXi HGFS out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in VMware ESXi, Workstation, Fusion, Cloud Foundation, Telco Cloud Platform and Telco Cloud Infrastructure. This impacts an unknown function of the component HGFS. Executing a manipulation can lead to out-of-bounds. This vulnerability is handled as CVE-2025-22226. It is possible to launch the attack on the local host. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in VMware ESXi, Workstation, Fusion, Cloud Foundation, Telco Cloud Platform and Telco Cloud Infrastructure and classified as problematic. This vulnerability affects an unknown functionality of the component HGFS. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality. CVE summarizes:

VMware ESXi, Workstation, and Fusion contain an information disclosure vulnerability due to an out-of-bounds read in HGFS. A malicious actor with administrative privileges to a virtual machine may be able to exploit this issue to leak memory from the vmx process.

The advisory is shared for download at support.broadcom.com. This vulnerability was named CVE-2025-22226 since 01/02/2025. The exploitation appears to be easy. The attack needs to be approached locally. The exploitation needs additional levels of successful authentication. There are neither technical details nor an exploit publicly available.

It is declared as attacked. The vulnerability scanner Nessus provides a plugin with the ID 226454 (VMware ESXi 7.0 / 8.0 Information Disclosure (CVE-2025-22226)), which helps to determine the existence of the flaw in a target environment. This issue was added on 03/04/2025 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 03/25/2025:

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

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at Zero-Day.cz (973) and Tenable (226454). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 5.1

VulDB Base Score: 2.3
VulDB Temp Score: 2.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.0
NVD Vector: 🔍

CNA Base Score: 7.1
CNA Vector (vmware): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 226454
Nessus Name: VMware ESXi 7.0 / 8.0 Information Disclosure (CVE-2025-22226)

Zero-Day.cz: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/02/2025 🔍
03/04/2025 +61 days 🔍
03/04/2025 +0 days 🔍
10/22/2025 +231 days 🔍

Sourcesinfo

Vendor: vmware.com

Advisory: support.broadcom.com
Status: Confirmed

CVE: CVE-2025-22226 (🔍)
GCVE (CVE): GCVE-0-2025-22226
GCVE (VulDB): GCVE-100-298516
scip Labs: https://www.scip.ch/en/?labs.20060413

Entryinfo

Created: 03/04/2025 13:30
Updated: 10/22/2025 00:02
Changes: 03/04/2025 13:30 (63), 03/04/2025 13:58 (4), 03/04/2025 20:25 (6), 03/05/2025 01:59 (9), 03/06/2025 00:19 (2), 10/22/2025 00:02 (12)
Complete: 🔍
Committer: mitr
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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