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CVE-2020-1472

MEDIUM · CVSS 5.5 · Analyzed

Published: 2020-08-17 · Updated: 2026-06-17 · Source: NVD

Stored catalog record

Source record retrieved 2026-10-28T11:36:46.830128+00:00. Scheduled imports handle updates; this page does not assert that the provider was queried just now.

Vulnerability overview

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.

Patch review priority

Known exploitation: prioritize review

  • CISA KEV lists real-world exploitation.

FIRST EPSS: 99.39% · percentile 99.9 · score date 2026-10-27.

EPSS estimates probability of exploitation in the next 30 days. It does not measure your exposure or prove exploitation. The elevated threshold is 10%; CISA KEV takes precedence. About FIRST EPSS ↗

Severity and scoring

CVSS score
5.5 · MEDIUM
CVSS version
3.1
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weaknesses
NVD-CWE-noinfo

CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.

Known exploitation and remediation

Listed in CISA’s Known Exploited Vulnerabilities catalog.

Affected product
Microsoft · Netlogon
Added to catalog
2021-11-03
Required action
Apply updates per vendor instructions.
CISA remediation due date
2022-05-03

CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.

Verify affected versions and patch availability in the vendor advisory before making changes.

Affected products and versions

  • cpe:2.3:o:microsoft:windows_server_1903:*:*:*:*:*:*:*:*

  • cpe:2.3:o:microsoft:windows_server_1909:*:*:*:*:*:*:*:*

  • cpe:2.3:o:microsoft:windows_server_2004:-:*:*:*:*:*:*:*

  • cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*

  • cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*

  • cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*

  • cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*

  • cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*

  • cpe:2.3:o:microsoft:windows_server_20h2:-:*:*:*:*:*:*:*

  • cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*

  • cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*

  • cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*

  • cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*

  • cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*

  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*

  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*

  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*

  • cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*

  • cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*

  • cpe:2.3:a:synology:directory_server:*:*:*:*:*:*:*:*

    Before (exclusive): 4.4.5-0101

  • cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*

    Before (exclusive): 4.10.18

  • cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*

    From (inclusive): 4.11.0

    Before (exclusive): 4.11.13

  • cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*

    From (inclusive): 4.12.0

    Before (exclusive): 4.12.7

  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

  • cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*

These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.

Advisories and references

Explore official sources

Read the official NVD record ↗

Explore the CISA catalog ↗

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