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CVE-2020-1472: Microsoft Netlogon Privilege Escalation Vulnerability

criticalknown exploitedpublic exploitCVE-2020-1472
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
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.

CSIRTS triage

vendor: Microsoftproduct: NetlogonPrivilege escalation
What
A privilege escalation vulnerability exists when establishing a vulnerable Netlogon secure channel connection.
Who is affected
Deployments using Microsoft's Netlogon Remote Protocol (MS-NRPC).
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Apply the security updates for Netlogon.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2021-11-03
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2020-1472

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2020-1472coverage & exploitation statusNVD · CVE.org

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