CVE-2019-1019

high

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.

References

Details

Source: Mitre, NVD

Published: 2019-06-12

Updated: 2025-05-20

Risk Information

CVSS v2

Base Score: 6

Vector: CVSS2#AV:N/AC:M/Au:S/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 8.5

Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.02026