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cveDellCVE-2021-21518
HistoryMar 12, 2021 - 8:15 p.m.

CVE-2021-21518

2021-03-1220:15:11
CWE-427
dell
web.nvd.nist.gov
43
2
cve-2021-21518
dell
supportassist
client
dll injection
costura fody
vulnerability
nvd

CVSS2

7.2

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

CVSS3

7.8

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

AI Score

7.6

Confidence

High

EPSS

0

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
OR
dellsupportassist_for_business_pcsMatch2.0.0
OR
dellsupportassist_for_business_pcsMatch2.1.0
OR
dellsupportassist_for_business_pcsMatch2.2.0
OR
dellsupportassist_for_home_pcsMatch3.3.3
OR
dellsupportassist_for_home_pcsMatch3.4.0
OR
dellsupportassist_for_home_pcsMatch3.6.0
OR
dellsupportassist_for_home_pcsMatch3.7.0
VendorProductVersionCPE
dellsupportassist_client_promanage1.0cpe:2.3:a:dell:supportassist_client_promanage:1.0:*:*:*:*:*:*:*
dellsupportassist_for_business_pcs2.0.0cpe:2.3:a:dell:supportassist_for_business_pcs:2.0.0:*:*:*:*:*:*:*
dellsupportassist_for_business_pcs2.1.0cpe:2.3:a:dell:supportassist_for_business_pcs:2.1.0:*:*:*:*:*:*:*
dellsupportassist_for_business_pcs2.2.0cpe:2.3:a:dell:supportassist_for_business_pcs:2.2.0:*:*:*:*:*:*:*
dellsupportassist_for_home_pcs3.3.3cpe:2.3:a:dell:supportassist_for_home_pcs:3.3.3:*:*:*:*:*:*:*
dellsupportassist_for_home_pcs3.4.0cpe:2.3:a:dell:supportassist_for_home_pcs:3.4.0:*:*:*:*:*:*:*
dellsupportassist_for_home_pcs3.6.0cpe:2.3:a:dell:supportassist_for_home_pcs:3.6.0:*:*:*:*:*:*:*
dellsupportassist_for_home_pcs3.7.0cpe:2.3:a:dell:supportassist_for_home_pcs: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"
      }
    ]
  }
]

Social References

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CVSS2

7.2

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

CVSS3

7.8

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

AI Score

7.6

Confidence

High

EPSS

0

Percentile

5.1%

JSON
Related for CVE-2021-21518
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