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[email protected]CVE-2021-21986

HistoryMay 26, 2021 - 3:15 p.m.

CVE-2021-21986

2021-05-2615:15:07

CWE-306

[email protected]

web.nvd.nist.gov

130

vsphere

html5

vcenter server

authentication

vulnerability

nvd

cve-2021-21986

10 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.5 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

59.0%

JSON

The vSphere Client (HTML5) contains a vulnerability in a vSphere authentication mechanism for the Virtual SAN Health Check, Site Recovery, vSphere Lifecycle Manager, and VMware Cloud Director Availability plug-ins. A malicious actor with network access to port 443 on vCenter Server may perform actions allowed by the impacted plug-ins without authentication.

Affected configurations

NVD

Node

vmwarevcenter_serverMatch6.5-

vmwarevcenter_serverMatch6.5a

vmwarevcenter_serverMatch6.5b

vmwarevcenter_serverMatch6.5c

vmwarevcenter_serverMatch6.5d

vmwarevcenter_serverMatch6.5e

vmwarevcenter_serverMatch6.5f

vmwarevcenter_serverMatch6.5update1

vmwarevcenter_serverMatch6.5update1b

vmwarevcenter_serverMatch6.5update1c

vmwarevcenter_serverMatch6.5update1d

vmwarevcenter_serverMatch6.5update1e

vmwarevcenter_serverMatch6.5update1g

vmwarevcenter_serverMatch6.5update2

vmwarevcenter_serverMatch6.5update2b

vmwarevcenter_serverMatch6.5update2c

vmwarevcenter_serverMatch6.5update2d

vmwarevcenter_serverMatch6.5update2g

vmwarevcenter_serverMatch6.5update3

vmwarevcenter_serverMatch6.5update3d

vmwarevcenter_serverMatch6.5update3f

vmwarevcenter_serverMatch6.5update3k

vmwarevcenter_serverMatch6.5update3n

vmwarevcenter_serverMatch6.7-

vmwarevcenter_serverMatch6.7a

vmwarevcenter_serverMatch6.7b

vmwarevcenter_serverMatch6.7d

vmwarevcenter_serverMatch6.7update1

vmwarevcenter_serverMatch6.7update1b

vmwarevcenter_serverMatch6.7update2

vmwarevcenter_serverMatch6.7update2a

vmwarevcenter_serverMatch6.7update2c

vmwarevcenter_serverMatch6.7update3

vmwarevcenter_serverMatch6.7update3a

vmwarevcenter_serverMatch6.7update3b

vmwarevcenter_serverMatch6.7update3f

vmwarevcenter_serverMatch6.7update3g

vmwarevcenter_serverMatch6.7update3j

vmwarevcenter_serverMatch6.7update3l

vmwarevcenter_serverMatch6.7update3m

vmwarevcenter_serverMatch7.0-

vmwarevcenter_serverMatch7.0a

vmwarevcenter_serverMatch7.0b

vmwarevcenter_serverMatch7.0c

vmwarevcenter_serverMatch7.0d

vmwarevcenter_serverMatch7.0update1

vmwarevcenter_serverMatch7.0update1a

vmwarevcenter_serverMatch7.0update1c

vmwarevcenter_serverMatch7.0update1d

vmwarevcenter_serverMatch7.0update2

vmwarevcenter_serverMatch7.0update2a

Node

vmwarecloud_foundationRange3.0–3.10.2.1

vmwarecloud_foundationRange4.0–4.2.1

CPENameOperatorVersion
vmware:vcenter_servervmware vcenter servereq6.5
vmware:vcenter_servervmware vcenter servereq6.7
vmware:vcenter_servervmware vcenter servereq7.0

CPE	Name	Operator	Version
vmware:vcenter_server	vmware vcenter server	eq	6.5
vmware:vcenter_server	vmware vcenter server	eq	6.7
vmware:vcenter_server	vmware vcenter server	eq	7.0

CNA Affected

[
  {
    "product": "VMware vCenter Server and VMware Cloud Foundation",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "VMware vCenter Server (7.x before 7.0 U2b, 6.7 before 6.7 U3n, 6.5 before 6.5 U3p) and VMware Cloud Foundation (4.x before 4.2.1, 3.x before 3.10.2.1)"
      }
    ]
  }
]