CVE-2019-1126

medium
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

A security feature bypass vulnerability exists in Active Directory Federation Services (ADFS) which could allow an attacker to bypass the extranet lockout policy.To exploit this vulnerability, an attacker could run a specially crafted application, which would allow an attacker to launch a password brute-force attack or cause account lockouts in Active Directory.This security update corrects how ADFS handles external authentication requests., aka 'ADFS Security Feature Bypass Vulnerability'. This CVE ID is unique from CVE-2019-0975.

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1126

Details

Source: MITRE

Published: 2019-07-15

Updated: 2020-08-24

Type: CWE-307

Risk Information

CVSS v2

Base Score: 5

Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3

Base Score: 5.3

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

Impact Score: 1.4

Exploitability Score: 3.9

Severity: MEDIUM

Tenable Plugins

View all (3 total)

IDNameProductFamilySeverity
126579KB4507469: Windows 10 Version 1809 and Windows Server 2019 July 2019 Security Update (SWAPGS)NessusWindows : Microsoft Bulletins
high
126577KB4507460: Windows 10 Version 1607 and Windows Server 2016 July 2019 Security Update (SWAPGS)NessusWindows : Microsoft Bulletins
high
126570KB4507457: Windows 8.1 and Windows Server 2012 R2 July 2019 Security Update (SWAPGS)NessusWindows : Microsoft Bulletins
high