ESXi 6.5 / 6.7 / 7.0 DoS (VMSA-2020-0018)

medium Nessus Plugin ID 140039

Synopsis

The remote VMware ESXi host is missing a security patch and is affected by a denial of service vulnerability.

Description

The remote VMware ESXi host is version 6.5, 6.7 or 7.0 and is affected by a denial of service (DoS) vulnerability in the authentication service. An unauthenticated, remote attacker can exploit this issue to exhaust memory resources resulting in a degradation of performance condition while the attack is sustained.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Apply the appropriate patch as referenced in the vendor advisory.

See Also

https://www.vmware.com/security/advisories/VMSA-2020-0018.html

Plugin Details

Severity: Medium

ID: 140039

File Name: vmware_esxi_vmsa_2020_0018.nasl

Version: 1.2

Type: remote

Family: Misc.

Published: 8/28/2020

Updated: 8/31/2020

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 1.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2020-3976

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:vmware:esxi

Required KB Items: Host/VMware/release, Host/VMware/version

Exploit Ease: No known exploits are available

Patch Publication Date: 8/20/2020

Vulnerability Publication Date: 8/20/2020

Reference Information

CVE: CVE-2020-3976

IAVA: 2020-A-0386