#VU47751 Memory leak in VMware ESXi - CVE-2020-3995

Vulnerability identifier: #VU47751

Vulnerability risk: High

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-3995

CWE-ID: CWE-401

Exploitation vector: Network

Exploit availability: No

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

Vendor: VMware, Inc

Description
The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak within the VMCI host driver. A remote attacker can force the application to leak memory and perform denial of service attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

VMware ESXi: ESXi650-201903001 - 6.7

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External links
https://www.vmware.com/security/advisories/VMSA-2020-0023.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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