CVE-2020-1472 (GCVE-0-2020-1472)
Vulnerability from cvelistv5
Published
2020-08-17 19:13
Modified
2025-10-21 23:35
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C
CWE
  • Elevation of Privilege
Summary
An elevation of privilege vulnerability exists when an attacker establishes a vulnerable Netlogon secure channel connection to a domain controller, using the Netlogon Remote Protocol (MS-NRPC). An attacker who successfully exploited the vulnerability could run a specially crafted application on a device on the network. To exploit the vulnerability, an unauthenticated attacker would be required to use MS-NRPC to connect to a domain controller to obtain domain administrator access. Microsoft is addressing the vulnerability in a phased two-part rollout. These updates address the vulnerability by modifying how Netlogon handles the usage of Netlogon secure channels. For guidelines on how to manage the changes required for this vulnerability and more information on the phased rollout, see How to manage the changes in Netlogon secure channel connections associated with CVE-2020-1472 (updated September 28, 2020). When the second phase of Windows updates become available in Q1 2021, customers will be notified via a revision to this security vulnerability. If you wish to be notified when these updates are released, we recommend that you register for the security notifications mailer to be alerted of content changes to this advisory. See Microsoft Technical Security Notifications.
References
secure@microsoft.com http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00080.html Mailing List, Third Party Advisory
secure@microsoft.com http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00086.html Mailing List, Third Party Advisory
secure@microsoft.com http://packetstormsecurity.com/files/159190/Zerologon-Proof-Of-Concept.html Third Party Advisory, VDB Entry
secure@microsoft.com http://packetstormsecurity.com/files/160127/Zerologon-Netlogon-Privilege-Escalation.html Exploit, Third Party Advisory, VDB Entry
secure@microsoft.com http://www.openwall.com/lists/oss-security/2020/09/17/2 Mailing List, Third Party Advisory
secure@microsoft.com https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html Mailing List, Third Party Advisory
secure@microsoft.com https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H4OTFBL6YDVFH2TBJFJIE4FMHPJEEJK3/ Mailing List, Third Party Advisory
secure@microsoft.com https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ST6X3A2XXYMGD4INR26DQ4FP4QSM753B/ Mailing List, Third Party Advisory
secure@microsoft.com https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TAPQQZZAT4TG3XVRTAFV2Y3S7OAHFBUP/ Mailing List, Third Party Advisory
secure@microsoft.com https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1472 Patch, Vendor Advisory
secure@microsoft.com https://security.gentoo.org/glsa/202012-24 Third Party Advisory
secure@microsoft.com https://usn.ubuntu.com/4510-1/ Third Party Advisory
secure@microsoft.com https://usn.ubuntu.com/4510-2/ Third Party Advisory
secure@microsoft.com https://usn.ubuntu.com/4559-1/ Third Party Advisory
secure@microsoft.com https://www.kb.cert.org/vuls/id/490028 Third Party Advisory, US Government Resource
secure@microsoft.com https://www.oracle.com/security-alerts/cpuApr2021.html Patch, Third Party Advisory
secure@microsoft.com https://www.synology.com/security/advisory/Synology_SA_20_21 Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00080.html Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00086.html Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 http://packetstormsecurity.com/files/159190/Zerologon-Proof-Of-Concept.html Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 http://packetstormsecurity.com/files/160127/Zerologon-Netlogon-Privilege-Escalation.html Exploit, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 http://www.openwall.com/lists/oss-security/2020/09/17/2 Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H4OTFBL6YDVFH2TBJFJIE4FMHPJEEJK3/ Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ST6X3A2XXYMGD4INR26DQ4FP4QSM753B/ Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TAPQQZZAT4TG3XVRTAFV2Y3S7OAHFBUP/ Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1472 Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 https://security.gentoo.org/glsa/202012-24 Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://usn.ubuntu.com/4510-1/ Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://usn.ubuntu.com/4510-2/ Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://usn.ubuntu.com/4559-1/ Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://www.kb.cert.org/vuls/id/490028 Third Party Advisory, US Government Resource
af854a3a-2127-422b-91ae-364da2661108 https://www.oracle.com/security-alerts/cpuApr2021.html Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://www.synology.com/security/advisory/Synology_SA_20_21 Third Party Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0 https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-1472 US Government Resource
Impacted products
Vendor Product Version
Microsoft Windows Server version 2004 Version: 10.0.0   < publication
    cpe:2.3:o:microsoft:windows_server_2004:*:*:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Windows Server 2019 Version: 10.0.0   < publication
    cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Windows Server 2019 (Server Core installation) Version: 10.0.0   < publication
    cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Windows Server, version 1909 (Server Core installation) Version: 10.0.0   < publication
    cpe:2.3:o:microsoft:windows_server_1909:*:*:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Windows Server, version 1903 (Server Core installation) Version: 10.0.0   < publication
    cpe:2.3:o:microsoft:windows_server_1903:*:*:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Windows Server 2016 Version: 10.0.0   < publication
    cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Windows Server 2016 (Server Core installation) Version: 10.0.0   < publication
    cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Windows Server 2008 R2 Service Pack 1 Version: 6.1.0   < publication
    cpe:2.3:o:microsoft:windows_server_2008_R2:*:*:*:*:*:*:x64:*
 Create a notification for this product.
   Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) Version: 6.0.0   < publication
    cpe:2.3:o:microsoft:windows_server_2008_R2:*:*:*:*:*:*:x64:*
 Create a notification for this product.
   Microsoft Windows Server 2012 Version: 6.2.0   < publication
    cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:x64:*
 Create a notification for this product.
   Microsoft Windows Server 2012 (Server Core installation) Version: 6.2.0   < publication
    cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:x64:*
 Create a notification for this product.
   Microsoft Windows Server 2012 R2 Version: 6.3.0   < publication
    cpe:2.3:o:microsoft:windows_server_2012_R2:*:*:*:*:*:*:x64:*
 Create a notification for this product.
   Microsoft Windows Server 2012 R2 (Server Core installation) Version: 6.3.0   < publication
    cpe:2.3:o:microsoft:windows_server_2012_R2:*:*:*:*:*:*:x64:*
 Create a notification for this product.
   Microsoft Windows Server version 20H2 Version: 10.0.0   < publication
    cpe:2.3:o:microsoft:windows_server_20H2:*:*:*:*:*:*:*:*
 Create a notification for this product.
CISA Known Exploited Vulnerability
Data from the CISA Known Exploited Vulnerabilities Catalog

Date added: 2021-11-03

Due date: 2020-09-21

Required action: Apply updates per vendor instructions.

Used in ransomware: Known

Notes: Reference CISA's ED 20-04 (https://www.cisa.gov/news-events/directives/ed-20-04-mitigate-netlogon-elevation-privilege-vulnerability-august-2020-patch-tuesday) for further guidance and requirements. Note: The due date for addressing this vulnerability aligns with the requirements outlined in ED 20-04. https://nvd.nist.gov/vuln/detail/CVE-2020-1472

ENISA Known Exploited Vulnerability
Data from the ENISA CNW Known Exploited Vulnerabilities Catalog
Vendor/Product: Microsoft | Product: Netlogon (ZeroLogon)

CVE: CVE-2020-1472

EUVD: EUVD-2020-12346

Date reported: 23/01/25

Exploitation type: ransomware

Show details on NVD website

To clipboard 

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    "vulnrichment": {
      "containers": "{\"cna\": {\"title\": \"Netlogon Elevation of Privilege Vulnerability\", \"datePublic\": \"2020-08-11T07:00:00.000Z\", \"affected\": [{\"vendor\": \"Microsoft\", \"product\": \"Windows Server version 2004\", \"cpes\": [\"cpe:2.3:o:microsoft:windows_server_2004:*:*:*:*:*:*:*:*\"], \"platforms\": [\"x64-based Systems\"], \"versions\": [{\"version\": \"10.0.0\", \"lessThan\": \"publication\", \"versionType\": \"custom\", \"status\": \"affected\"}]}, {\"vendor\": \"Microsoft\", \"product\": \"Windows Server 2019\", \"cpes\": [\"cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*\"], \"platforms\": [\"x64-based Systems\"], \"versions\": [{\"version\": \"10.0.0\", \"lessThan\": \"publication\", \"versionType\": \"custom\", \"status\": \"affected\"}]}, {\"vendor\": \"Microsoft\", \"product\": \"Windows Server 2019 (Server Core installation)\", \"cpes\": [\"cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*\"], \"platforms\": [\"x64-based Systems\"], \"versions\": [{\"version\": \"10.0.0\", \"lessThan\": \"publication\", \"versionType\": \"custom\", \"status\": \"affected\"}]}, {\"vendor\": \"Microsoft\", \"product\": \"Windows Server, version 1909 (Server Core installation)\", \"cpes\": [\"cpe:2.3:o:microsoft:windows_server_1909:*:*:*:*:*:*:*:*\"], \"platforms\": [\"x64-based Systems\"], \"versions\": [{\"version\": \"10.0.0\", \"lessThan\": \"publication\", \"versionType\": \"custom\", \"status\": \"affected\"}]}, {\"vendor\": \"Microsoft\", \"product\": \"Windows Server, version 1903 (Server Core installation)\", \"cpes\": [\"cpe:2.3:o:microsoft:windows_server_1903:*:*:*:*:*:*:*:*\"], \"platforms\": [\"x64-based Systems\"], \"versions\": [{\"version\": \"10.0.0\", \"lessThan\": \"publication\", \"versionType\": \"custom\", \"status\": \"affected\"}]}, {\"vendor\": \"Microsoft\", \"product\": \"Windows Server 2016\", \"cpes\": [\"cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*\"], \"platforms\": [\"x64-based Systems\"], \"versions\": [{\"version\": \"10.0.0\", \"lessThan\": \"publication\", \"versionType\": \"custom\", \"status\": \"affected\"}]}, {\"vendor\": \"Microsoft\", \"product\": \"Windows Server 2016 (Server Core installation)\", \"cpes\": [\"cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*\"], \"platforms\": [\"x64-based Systems\"], \"versions\": [{\"version\": \"10.0.0\", \"lessThan\": \"publication\", \"versionType\": \"custom\", \"status\": \"affected\"}]}, {\"vendor\": \"Microsoft\", \"product\": \"Windows Server 2008 R2 Service Pack 1\", \"cpes\": [\"cpe:2.3:o:microsoft:windows_server_2008_R2:*:*:*:*:*:*:x64:*\"], \"platforms\": [\"x64-based Systems\"], \"versions\": [{\"version\": \"6.1.0\", \"lessThan\": \"publication\", \"versionType\": \"custom\", \"status\": \"affected\"}]}, {\"vendor\": \"Microsoft\", \"product\": \"Windows Server 2008 R2 Service Pack 1 (Server Core installation)\", \"cpes\": [\"cpe:2.3:o:microsoft:windows_server_2008_R2:*:*:*:*:*:*:x64:*\"], \"platforms\": [\"x64-based Systems\"], \"versions\": [{\"version\": \"6.0.0\", \"lessThan\": \"publication\", \"versionType\": \"custom\", \"status\": \"affected\"}]}, {\"vendor\": \"Microsoft\", \"product\": \"Windows Server 2012\", \"cpes\": [\"cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:x64:*\"], \"platforms\": [\"x64-based Systems\"], \"versions\": [{\"version\": \"6.2.0\", \"lessThan\": \"publication\", \"versionType\": \"custom\", \"status\": \"affected\"}]}, {\"vendor\": \"Microsoft\", \"product\": \"Windows Server 2012 (Server Core installation)\", \"cpes\": [\"cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:x64:*\"], \"platforms\": [\"x64-based Systems\"], \"versions\": [{\"version\": \"6.2.0\", \"lessThan\": \"publication\", \"versionType\": \"custom\", \"status\": \"affected\"}]}, {\"vendor\": \"Microsoft\", \"product\": \"Windows Server 2012 R2\", \"cpes\": [\"cpe:2.3:o:microsoft:windows_server_2012_R2:*:*:*:*:*:*:x64:*\"], \"platforms\": [\"x64-based Systems\"], \"versions\": [{\"version\": \"6.3.0\", \"lessThan\": \"publication\", \"versionType\": \"custom\", \"status\": \"affected\"}]}, {\"vendor\": \"Microsoft\", \"product\": \"Windows Server 2012 R2 (Server Core installation)\", \"cpes\": [\"cpe:2.3:o:microsoft:windows_server_2012_R2:*:*:*:*:*:*:x64:*\"], \"platforms\": [\"x64-based Systems\"], \"versions\": [{\"version\": \"6.3.0\", \"lessThan\": \"publication\", \"versionType\": \"custom\", \"status\": \"affected\"}]}, {\"vendor\": \"Microsoft\", \"product\": \"Windows Server version 20H2\", \"cpes\": [\"cpe:2.3:o:microsoft:windows_server_20H2:*:*:*:*:*:*:*:*\"], \"platforms\": [\"x64-based Systems\"], \"versions\": [{\"version\": \"10.0.0\", \"lessThan\": \"publication\", \"versionType\": \"custom\", \"status\": \"affected\"}]}], \"descriptions\": [{\"value\": \"An elevation of privilege vulnerability exists when an attacker establishes a vulnerable Netlogon secure channel connection to a domain controller, using the Netlogon Remote Protocol (MS-NRPC). An attacker who successfully exploited the vulnerability could run a specially crafted application on a device on the network.\\nTo exploit the vulnerability, an unauthenticated attacker would be required to use MS-NRPC to connect to a domain controller to obtain domain administrator access.\\nMicrosoft is addressing the vulnerability in a phased two-part rollout. These updates address the vulnerability by modifying how Netlogon handles the usage of Netlogon secure channels.\\nFor guidelines on how to manage the changes required for this vulnerability and more information on the phased rollout, see  How to manage the changes in Netlogon secure channel connections associated with CVE-2020-1472 (updated September 28, 2020).\\nWhen the second phase of Windows updates become available in Q1 2021, customers will be notified via a revision to this security vulnerability. If you wish to be notified when these updates are released, we recommend that you register for the security notifications mailer to be alerted of content changes to this advisory. 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\"CVE-2020-1472\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"active\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-01-30T18:45:11.261978Z\"}}}, {\"other\": {\"type\": \"kev\", \"content\": {\"dateAdded\": \"2021-11-03\", \"reference\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-1472\"}}}], \"references\": [{\"url\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-1472\", \"tags\": [\"government-resource\"]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"description\": \"CWE-noinfo Not enough information\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-02-04T19:24:42.573Z\"}, \"timeline\": [{\"time\": \"2021-11-03T00:00:00+00:00\", \"lang\": \"en\", \"value\": \"CVE-2020-1472 added to CISA KEV\"}], \"title\": \"CISA ADP Vulnrichment\"}]}",
      "cveMetadata": "{\"assignerOrgId\": \"f38d906d-7342-40ea-92c1-6c4a2c6478c8\", \"assignerShortName\": \"microsoft\", \"cveId\": \"CVE-2020-1472\", \"datePublished\": \"2020-08-17T19:13:05.000Z\", \"dateReserved\": \"2019-11-04T00:00:00.000Z\", \"dateUpdated\": \"2025-10-21T19:54:22.905Z\", \"state\": \"PUBLISHED\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
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