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Actively exploited

Listed in CISA’s Known Exploited Vulnerabilities catalog since November 3, 2021.

Known ransomware use

CVE-2020-1472

Microsoft Netlogon Privilege Escalation Vulnerability

Microsoft · Netlogon

Added to KEV November 3, 2021

Alert details

Source feed
CISA KEV
CVE ID
CVE-2020-1472
CWE
CWE-330
Affected products
Netlogon · Microsoft Netlogon · Microsoft

What happened

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.

What it means for your business

Microsoft Netlogon is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2020-1472). 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. CISA remediation due date: 2022-05-03. If you need help checking exposure, call (864) 335-9223.

Required action

Apply updates per vendor instructions.

CISA due date: May 3, 2022

Sources

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