#VU109486 Resource exhaustion in VMware ESXi - CVE-2025-41227

Vulnerability identifier: #VU109486

Vulnerability risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/E:U/U:Green]

CVE-ID: CVE-2025-41227

CWE-ID: CWE-400

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
VMware ESXi
Operating systems & Components / Operating system

Vendor: VMware, Inc

Description

The vulnerability allows a malicious guest to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources. A malicious guest can trigger resource exhaustion of the host process.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

VMware ESXi: ESXi70U1c-17325551 - ESXi80a-20842819

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External links
https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/25717

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.