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[email protected]CVE-2021-21518

HistoryMar 12, 2021 - 8:15 p.m.

CVE-2021-21518

2021-03-1220:15:11

CWE-427

[email protected]

web.nvd.nist.gov

cve-2021-21518

dell

supportassist

client

dll injection

costura fody

vulnerability

nvd

7.2 High

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.6 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

JSON

Dell SupportAssist Client for Consumer PCs versions 3.7.x, 3.6.x, 3.4.x, 3.3.x, Dell SupportAssist Client for Business PCs versions 2.0.x, 2.1.x, 2.2.x, and Dell SupportAssist Client ProManage 1.x contain a DLL injection vulnerability in the Costura Fody plugin. A local user with low privileges could potentially exploit this vulnerability, leading to the execution of arbitrary executable on the operating system with SYSTEM privileges.

Affected configurations

NVD

Node

dellsupportassist_client_promanageMatch1.0

dellsupportassist_for_business_pcsMatch2.0.0

dellsupportassist_for_business_pcsMatch2.1.0

dellsupportassist_for_business_pcsMatch2.2.0

dellsupportassist_for_home_pcsMatch3.3.3

dellsupportassist_for_home_pcsMatch3.4.0

dellsupportassist_for_home_pcsMatch3.6.0

dellsupportassist_for_home_pcsMatch3.7.0

CPENameOperatorVersion
dell:supportassist_client_promanagedell supportassist client promanageeq1.0
dell:supportassist_for_business_pcsdell supportassist for business pcseq2.0.0
dell:supportassist_for_business_pcsdell supportassist for business pcseq2.1.0
dell:supportassist_for_business_pcsdell supportassist for business pcseq2.2.0
dell:supportassist_for_home_pcsdell supportassist for home pcseq3.3.3
dell:supportassist_for_home_pcsdell supportassist for home pcseq3.4.0
dell:supportassist_for_home_pcsdell supportassist for home pcseq3.6.0
dell:supportassist_for_home_pcsdell supportassist for home pcseq3.7.0

CPE	Name	Operator	Version
dell:supportassist_client_promanage	dell supportassist client promanage	eq	1.0
dell:supportassist_for_business_pcs	dell supportassist for business pcs	eq	2.0.0
dell:supportassist_for_business_pcs	dell supportassist for business pcs	eq	2.1.0
dell:supportassist_for_business_pcs	dell supportassist for business pcs	eq	2.2.0
dell:supportassist_for_home_pcs	dell supportassist for home pcs	eq	3.3.3
dell:supportassist_for_home_pcs	dell supportassist for home pcs	eq	3.4.0
dell:supportassist_for_home_pcs	dell supportassist for home pcs	eq	3.6.0
dell:supportassist_for_home_pcs	dell supportassist for home pcs	eq	3.7.0

CNA Affected

[
  {
    "product": "Dell SupportAssist Client",
    "vendor": "Dell",
    "versions": [
      {
        "lessThan": "SACH 3.8, SACB 2.3",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

www.dell.com/support/kbdoc/en-us/000184012/dsa-2021-052-dell-supportassist-for-home-pcs-business-pcs-security-update-for-pc-doctor-plugin-vulnerability

Social References

7.2 High

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.6 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

JSON

Related for CVE-2021-21518

cvelist1 cnvd1 prion1 nvd1