HIGH

CVE-2019-1019

CVSS v3

8.5

HIGH

EPSS Score

15.1 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2019-1019 yet.

Full record on NVD

Description

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.

Technical details

Published: 2019-06-12
Exploit-DB: EDB-47115

Frequently asked questions

What is CVE-2019-1019?

Is CVE-2019-1019 actively exploited?

Active exploitation of CVE-2019-1019 has not been confirmed. Its EPSS score was 15.1% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

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

CVE-2019-1019 has a CVSS v3 base score of 8.5 (HIGH severity).

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