CVE-2020-1472 (GCVE-0-2020-1472)

Vulnerability from cvelistv5 – Published: 2020-08-17 19:13 – Updated: 2025-10-21 23:35
VLAI CISA KEV EUVD KEV
Title
Netlogon Elevation of Privilege Vulnerability
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.
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
Assigner
References
Impacted products
Vendor Product Version
Microsoft Windows Server version 2004 Affected: 10.0.0 , < publication (custom)
    cpe:2.3:o:microsoft:windows_server_2004:*:*:*:*:*:*:*:*
 Create a notification for this product.
Microsoft Windows Server 2019 Affected: 10.0.0 , < publication (custom)
    cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
 Create a notification for this product.
Microsoft Windows Server 2019 (Server Core installation) Affected: 10.0.0 , < publication (custom)
    cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
 Create a notification for this product.
Microsoft Windows Server, version 1909 (Server Core installation) Affected: 10.0.0 , < publication (custom)
    cpe:2.3:o:microsoft:windows_server_1909:*:*:*:*:*:*:*:*
 Create a notification for this product.
Microsoft Windows Server, version 1903 (Server Core installation) Affected: 10.0.0 , < publication (custom)
    cpe:2.3:o:microsoft:windows_server_1903:*:*:*:*:*:*:*:*
 Create a notification for this product.
Microsoft Windows Server 2016 Affected: 10.0.0 , < publication (custom)
    cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
 Create a notification for this product.
Microsoft Windows Server 2016 (Server Core installation) Affected: 10.0.0 , < publication (custom)
    cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
 Create a notification for this product.
Microsoft Windows Server 2008 R2 Service Pack 1 Affected: 6.1.0 , < publication (custom)
    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) Affected: 6.0.0 , < publication (custom)
    cpe:2.3:o:microsoft:windows_server_2008_R2:*:*:*:*:*:*:x64:*
 Create a notification for this product.
Microsoft Windows Server 2012 Affected: 6.2.0 , < publication (custom)
    cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:x64:*
 Create a notification for this product.
Microsoft Windows Server 2012 (Server Core installation) Affected: 6.2.0 , < publication (custom)
    cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:x64:*
 Create a notification for this product.
Microsoft Windows Server 2012 R2 Affected: 6.3.0 , < publication (custom)
    cpe:2.3:o:microsoft:windows_server_2012_R2:*:*:*:*:*:*:x64:*
 Create a notification for this product.
Microsoft Windows Server 2012 R2 (Server Core installation) Affected: 6.3.0 , < publication (custom)
    cpe:2.3:o:microsoft:windows_server_2012_R2:*:*:*:*:*:*:x64:*
 Create a notification for this product.
Microsoft Windows Server version 20H2 Affected: 10.0.0 , < publication (custom)
    cpe:2.3:o:microsoft:windows_server_20H2:*:*:*:*:*:*:*:*
 Create a notification for this product.
Date Public
2020-08-11 07:00
CISA KEV
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: e087eb70-d32c-426e-9ed5-80110e9c9ea0

Vulnerability ID: CVE-2020-1472

Status: Confirmed

Status Updated: 2021-11-03 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2021-11-03
Asserted: 2021-11-03
Scope
Notes: KEV entry: Microsoft Netlogon Privilege Escalation Vulnerability | Affected: Microsoft / Netlogon | Description: Microsoft's Netlogon Remote Protocol (MS-NRPC) contains a privilege escalation vulnerability when an attacker establishes a vulnerable Netlogon secure channel connection to a domain controller. An attacker who successfully exploits the vulnerability could run a specially crafted application on a device on the network. The vulnerability is also known under the moniker of Zerologon. | Required action: Apply updates per vendor instructions. | Due date: 2022-05-03 | Known ransomware campaign use (KEV): Known | Notes (KEV): 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
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-330
Feed CISA Known Exploited Vulnerabilities Catalog
Product Netlogon
Due Date 2022-05-03
Date Added 2021-11-03
Vendorproject Microsoft
Vulnerabilityname Microsoft Netlogon Privilege Escalation Vulnerability
Knownransomwarecampaignuse Known
References
Created: 2026-02-02 13:26 UTC | Updated: 2026-02-06 07:53 UTC
EUVD KEV
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: d704f438-9fc8-48cc-8348-6e8c67033e0e

Vulnerability ID: CVE-2020-1472

Status: Confirmed

Status Updated: 2025-01-23 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2025-01-23
Asserted: 2025-01-23
Scope
Notes: Affected: Microsoft / Netlogon (ZeroLogon) | Exploitation type: ransomware | Origin source: cnw
Evidence

Type: Csirt Report

Signal: Confirmed Compromise

Confidence: 75%

Source: enisa-cnw-kev

Details
Cwes -
Euvd EUVD-2020-12346
Notes -
Catalog ENISA / EU CSIRTs Network (CNW) KEV CSV
Product Netlogon (ZeroLogon)
Datereported 23/01/25
Originsource cnw
Vendorproject Microsoft
Exploitationtype ransomware
Vulnerabilityname -
Threatactorsexploiting -
References
Created: 2026-02-02 13:23 UTC | Updated: 2026-02-06 07:53 UTC
Show details on NVD website
To clipboard 

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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. See Microsoft Technical Security Notifications.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en-US\", \"type\": \"Impact\", \"description\": \"Elevation of Privilege\"}]}], \"providerMetadata\": {\"orgId\": \"f38d906d-7342-40ea-92c1-6c4a2c6478c8\", \"shortName\": \"microsoft\", \"dateUpdated\": \"2024-05-29T16:32:50.654Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2020-1472\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-10-21T23:35:37.656Z\", \"dateReserved\": \"2019-11-04T00:00:00.000Z\", \"assignerOrgId\": \"f38d906d-7342-40ea-92c1-6c4a2c6478c8\", \"datePublished\": \"2020-08-17T19:13:05.000Z\", \"assignerShortName\": \"microsoft\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.