All vulnerabilities
CVE-2020-1472

Microsoft Netlogon Privilege Escalation Vulnerability

Microsoft Netlogon
Open in ThreatlineRecord JSON
CVSS
5.5Medium
ExploitationExploited in the wildAdded to KEV 3 Nov 2021. Known ransomware useCISA KEV
Exploit odds (EPSS)99.4%Chance of exploitation activity in the next 30 days, higher than 99.9% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline3 May 2022Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 17 Aug 2020, 19:13 UTCPublishedCVE List
  2. 18 Nov 2020Exploit code publicExploit-DB
  3. 3 Nov 2021Added to CISA KEVCISA KEV

Public exploit code and templates 2

  • Auxiliary moduleNetlogon Weak Cryptographic AuthenticationMetasploit
  • Remote exploitZeroLogon - Netlogon Elevation of Privilege 18 Nov 2020Exploit-DB

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

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.

Text from CVE List

Affected versions 14

  • Windows Server version 2004affected: 10.0.0 before publicationCVE List
  • Windows Server 2019affected: 10.0.0 before publicationCVE List
  • Windows Server 2019 (Server Core installation)affected: 10.0.0 before publicationCVE List
  • Windows Server, version 1909 (Server Core installation)affected: 10.0.0 before publicationCVE List
  • Windows Server, version 1903 (Server Core installation)affected: 10.0.0 before publicationCVE List
  • Windows Server 2016affected: 10.0.0 before publicationCVE List
  • Windows Server 2016 (Server Core installation)affected: 10.0.0 before publicationCVE List
  • Windows Server 2008 R2 Service Pack 1affected: 6.1.0 before publicationCVE List
  • Windows Server 2008 R2 Service Pack 1 (Server Core installation)affected: 6.0.0 before publicationCVE List
  • Windows Server 2012affected: 6.2.0 before publicationCVE List
  • Windows Server 2012 (Server Core installation)affected: 6.2.0 before publicationCVE List
  • Windows Server 2012 R2affected: 6.3.0 before publicationCVE List
  • Windows Server 2012 R2 (Server Core installation)affected: 6.3.0 before publicationCVE List
  • Windows Server version 20H2affected: 10.0.0 before publicationCVE List

References 13