CVE-2020-1472
Summary
| CVE | CVE-2020-1472 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2020-08-17 19:15:00 UTC |
| Updated | 2024-01-19 00:15:00 UTC |
| Description | 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), aka 'Netlogon Elevation of Privilege Vulnerability'. |
Risk And Classification
EPSS: 0.943800000 probability, percentile 0.999690000 (date 2026-04-01)
CISA KEV: Listed on 2021-11-03; due 2022-05-03; ransomware use Known
Problem Types: CWE-330
CISA Known Exploited Vulnerability
| Vendor | Microsoft |
|---|---|
| Product | Netlogon |
| Name | Microsoft Netlogon Privilege Escalation Vulnerability |
| Required Action | Apply updates per vendor instructions. |
| 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 |
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Canonical | Ubuntu Linux | 14.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 16.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 16.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 18.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 20.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 14.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 16.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 18.04 | All | All | All |
| Operating System | Debian | Debian Linux | 9.0 | All | All | All |
| Operating System | Fedoraproject | Fedora | 31 | All | All | All |
| Operating System | Fedoraproject | Fedora | 32 | All | All | All |
| Operating System | Fedoraproject | Fedora | 33 | All | All | All |
| Operating System | Fedoraproject | Fedora | 32 | All | All | All |
| Operating System | Fedoraproject | Fedora | 33 | All | All | All |
| Operating System | Microsoft | Windows Server 2008 | r2 | sp1 | All | All |
| Operating System | Microsoft | Windows Server 2008 | r2 | sp1 | All | All |
| Operating System | Microsoft | Windows Server 2012 | - | All | All | All |
| Operating System | Microsoft | Windows Server 2012 | r2 | All | All | All |
| Operating System | Microsoft | Windows Server 2012 | - | All | All | All |
| Operating System | Microsoft | Windows Server 2012 | r2 | All | All | All |
| Operating System | Microsoft | Windows Server 2016 | - | All | All | All |
| Operating System | Microsoft | Windows Server 2016 | 1903 | All | All | All |
| Operating System | Microsoft | Windows Server 2016 | 1909 | All | All | All |
| Operating System | Microsoft | Windows Server 2016 | 2004 | All | All | All |
| Operating System | Microsoft | Windows Server 2016 | - | All | All | All |
| Operating System | Microsoft | Windows Server 2016 | 1903 | All | All | All |
| Operating System | Microsoft | Windows Server 2016 | 1909 | All | All | All |
| Operating System | Microsoft | Windows Server 2016 | 2004 | All | All | All |
| Operating System | Microsoft | Windows Server 2019 | - | All | All | All |
| Operating System | Microsoft | Windows Server 2019 | - | All | All | All |
| Operating System | Opensuse | Leap | 15.1 | All | All | All |
| Operating System | Opensuse | Leap | 15.2 | All | All | All |
| Operating System | Opensuse | Leap | 15.1 | All | All | All |
| Operating System | Opensuse | Leap | 15.2 | All | All | All |
| Application | Oracle | Zfs Storage Appliance Kit | 8.8 | All | All | All |
| Application | Samba | Samba | All | All | All | All |
| Application | Samba | Samba | All | All | All | All |
| Application | Synology | Directory Server | All | All | All | All |
| Application | Synology | Directory Server | All | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| [security-announce] openSUSE-SU-2020:1526-1: important: Security update | SUSE | lists.opensuse.org | Mailing List, Third Party Advisory |
| oss-security - Samba and CVE-2020-1472 ("Zerologon") | MLIST | www.openwall.com | Mailing List, Third Party Advisory |
| [SECURITY] Fedora 32 Update: samba-4.12.7-0.fc32 - package-announce - Fedora Mailing-Lists | FEDORA | lists.fedoraproject.org | Third Party Advisory |
| [security-announce] openSUSE-SU-2020:1513-1: important: Security update | SUSE | lists.opensuse.org | Mailing List, Third Party Advisory |
| [SECURITY] Fedora 33 Update: samba-4.13.0-11.fc33 - package-announce - Fedora Mailing-Lists | FEDORA | lists.fedoraproject.org | Third Party Advisory |
| Zerologon Proof Of Concept ≈ Packet Storm | MISC | packetstormsecurity.com | Third Party Advisory, VDB Entry |
| [SECURITY] Fedora 31 Update: samba-4.11.13-0.fc31 - package-announce - Fedora Mailing-Lists | FEDORA | lists.fedoraproject.org | |
| USN-4510-1: Samba vulnerability | Ubuntu security notices | Ubuntu | UBUNTU | usn.ubuntu.com | Third Party Advisory |
| USN-4559-1: Samba update | Ubuntu security notices | Ubuntu | UBUNTU | usn.ubuntu.com | |
| USN-4510-2: Samba vulnerability | Ubuntu security notices | Ubuntu | UBUNTU | usn.ubuntu.com | Third Party Advisory |
| VU#490028 - Microsoft Windows Netlogon Remote Protocol (MS-NRPC) uses insecure AES-CFB8 initialization vector | CERT-VN | www.kb.cert.org | Third Party Advisory, US Government Resource |
| N/A | N/A | portal.msrc.microsoft.com | Patch, Vendor Advisory |
| [SECURITY] Fedora 33 Update: samba-4.13.0-11.fc33 - package-announce - Fedora Mailing-Lists | lists.fedoraproject.org | ||
| Samba: Multiple vulnerabilities (GLSA 202012-24) — Gentoo security | GENTOO | security.gentoo.org | |
| [SECURITY] Fedora 31 Update: samba-4.11.13-0.fc31 - package-announce - Fedora Mailing-Lists | lists.fedoraproject.org | ||
| [SECURITY] Fedora 32 Update: samba-4.12.7-0.fc32 - package-announce - Fedora Mailing-Lists | lists.fedoraproject.org | ||
| Zerologon Netlogon Privilege Escalation ≈ Packet Storm | MISC | packetstormsecurity.com | |
| Synology Inc. | CONFIRM | www.synology.com | Third Party Advisory |
| [SECURITY] [DLA 2463-1] samba security update | MLIST | lists.debian.org | |
| Oracle Critical Patch Update Advisory - April 2021 | MISC | www.oracle.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
| CISA Known Exploited Vulnerabilities catalog | CISA | www.cisa.gov | kev |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 159201 Oracle Enterprise Linux Security Update for samba (ELSA-2021-1647)
- 239322 Red Hat Update for samba (RHSA-2021:1647)
- 239759 Red Hat Update for samba security (RHSA-2021:3723)
- 352379 Amazon Linux Security Advisory for samba: ALAS2-2021-1649
- 374349 McAfee Web Gateway Privilege Escalation Vulnerability (KB93377)
- 377403 Alibaba Cloud Linux Security Update for samba (ALINUX3-SA-2021:0077)
- 377458 Alibaba Cloud Linux Security Update for samba (ALINUX2-SA-2020:0196)
- 500629 Alpine Linux Security Update for samba
- 504389 Alpine Linux Security Update for samba
- 670878 EulerOS Security Update for samba (EulerOS-SA-2021-1118)
- 670882 EulerOS Security Update for samba (EulerOS-SA-2020-2396)
- 750630 OpenSUSE Security Update for samba (openSUSE-SU-2020:1526-1)
- 901685 Common Base Linux Mariner (CBL-Mariner) Security Update for samba (7350)
- 906954 Common Base Linux Mariner (CBL-Mariner) Security Update for samba (7350-1)
- 940102 AlmaLinux Security Update for samba (ALSA-2021:1647)
- 960808 Rocky Linux Security Update for samba (RLSA-2021:1647)