FKIE_CVE-2020-0951

Vulnerability from fkie_nvd - Published: 2020-09-11 17:15 - Updated: 2024-11-21 04:54
Severity ?
6.7 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
6.7 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Summary
<p>A security feature bypass vulnerability exists in Windows Defender Application Control (WDAC) which could allow an attacker to bypass WDAC enforcement. An attacker who successfully exploited this vulnerability could execute PowerShell commands that would be blocked by WDAC.</p> <p>To exploit the vulnerability, an attacker need administrator access on a local machine where PowerShell is running. The attacker could then connect to a PowerShell session and send commands to execute arbitrary code.</p> <p>The update addresses the vulnerability by correcting how PowerShell commands are validated when WDAC protection is enabled.</p>
References
secure@microsoft.comhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0951Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0951Patch, Vendor Advisory
Impacted products
Vendor Product Version
microsoft powershell *
microsoft powershell *
microsoft powershell 7.0.8
microsoft windows_10 1607
microsoft windows_10 1607
microsoft windows_10 1709
microsoft windows_10 1803
microsoft windows_10 1809
microsoft windows_10 1903
microsoft windows_10 1909
microsoft windows_10 2004
microsoft windows_server_2016 -
microsoft windows_server_2016 1903
microsoft windows_server_2016 1909
microsoft windows_server_2016 2004
microsoft windows_server_2019 -
To clipboard 

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  "cveTags": [],
  "descriptions": [
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      "lang": "en",
      "value": "\u003cp\u003eA security feature bypass vulnerability exists in Windows Defender Application Control (WDAC) which could allow an attacker to bypass WDAC enforcement. An attacker who successfully exploited this vulnerability could execute PowerShell commands that would be blocked by WDAC.\u003c/p\u003e\n\u003cp\u003eTo exploit the vulnerability, an attacker need administrator access on a local machine where PowerShell is running. The attacker could then connect to a PowerShell session and send commands to execute arbitrary code.\u003c/p\u003e\n\u003cp\u003eThe update addresses the vulnerability by correcting how PowerShell commands are validated when WDAC protection is enabled.\u003c/p\u003e\n"
    },
    {
      "lang": "es",
      "value": "Se presenta una vulnerabilidad de omisi\u00f3n de funciones de seguridad en  Windows Defender Application Control (WDAC) que podr\u00eda permitir a un atacante omitir la aplicaci\u00f3n de WDAC, tambi\u00e9n se conoce como \"Windows Defender Application Control Security Feature Bypass Vulnerability\""
    }
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  "id": "CVE-2020-0951",
  "lastModified": "2024-11-21T04:54:31.610",
  "metrics": {
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        "baseSeverity": "HIGH",
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          "accessVector": "LOCAL",
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          "version": "2.0"
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          "confidentialityImpact": "HIGH",
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
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  "published": "2020-09-11T17:15:15.043",
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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.