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cvelistTrellixCVELIST:CVE-2021-31847
HistorySep 22, 2021 - 1:25 p.m.

CVE-2021-31847 Improper privilege management in repair process of MA for Windows

2021-09-2213:25:18
CWE-347
CWE-269
trellix
www.cve.org

8.2 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

39.5%

Improper access control vulnerability in the repair process for McAfee Agent for Windows prior to 5.7.4 could allow a local attacker to perform a DLL preloading attack using unsigned DLLs. This would result in elevation of privileges and the ability to execute arbitrary code as the system user, through not correctly protecting a temporary directory used in the repair process and not checking the DLL signature.

CNA Affected

[
  {
    "platforms": [
      "Windows"
    ],
    "product": "McAfee Agent for Windows",
    "vendor": "McAfee,LLC",
    "versions": [
      {
        "lessThan": "5.7.4",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

8.2 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

39.5%

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