What is the CVSS score of CVE-2019-1019?

CVE-2019-1019 has a CVSS 3.1 base score of 8.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H. EPSS exploitation probability: 15.1%.

Is there a public PoC exploit available for CVE-2019-1019?

Yes, a public proof-of-concept exploit is available for CVE-2019-1019. Prioritise patching immediately. EPSS: 15.1%.

Is there a patch available for CVE-2019-1019?

Yes, a patch is available for CVE-2019-1019. Update the affected software to the latest version immediately.

Windows 10 CVE-2019-1019

HIGH

Information Exposure (CWE-200)

2019-06-12 secure@microsoft.com

Information Disclosure Windows 10 Windows 7 Windows 8 1 Windows Rt 8 1 Windows Server 2008 Windows Server 2012 Windows Server 2016 Windows Server 2019

8.5

CVSS 3.1 · Vendor: microsoft

Severity by source

Vendor (microsoft) PRIMARY

8.5 HIGH

AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Primary rating from Vendor (microsoft) · only source for this CVE.

CVSS VectorVendor: microsoft

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Jun 12, 2019 - 14:29 cve.org

HIGH 8.5

DescriptionCVE.org

A security feature bypass vulnerability exists where a NETLOGON message is able to obtain the session key and sign messages. To exploit this vulnerability, an attacker could send a specially crafted authentication request. An attacker who successfully exploited this vulnerability could access another machine using the original user privileges. The issue has been addressed by changing how NTLM validates network authentication messages.

AnalysisAI

A security feature bypass vulnerability exists where a NETLOGON message is able to obtain the session key and sign messages. Rated high severity (CVSS 8.5), this vulnerability is remotely exploitable. Public exploit code available.

Technical ContextAI

This vulnerability is classified as Exposure of Sensitive Information (CWE-200), which allows attackers to access sensitive data that should not be disclosed. A security feature bypass vulnerability exists where a NETLOGON message is able to obtain the session key and sign messages. To exploit this vulnerability, an attacker could send a specially crafted authentication request. An attacker who successfully exploited this vulnerability could access another machine using the original user privileges. The issue has been addressed by changing how NTLM validates network authentication messages. Affected products include: Microsoft Windows 10, Microsoft Windows 7, Microsoft Windows 8.1, Microsoft Windows Rt 8.1, Microsoft Windows Server 2008.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Minimize information in error messages, implement proper access controls, encrypt sensitive data at rest and in transit.