ADFS Security Feature Bypass Vulnerability
CVE-2019-1126 is fixed in 8 products on 1 platform, first by KB4507460, released July 9, 2019. It is not reported as exploited. Patch Radar priority: Routine.
<p>A security feature bypass vulnerability exists in Active Directory Federation Services (ADFS) which could allow an attacker to bypass the extranet lockout policy.</p> <p>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.</p> <p>This security update corrects how ADFS handles external authentication requests.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows Server 2012 R2 | KB4507457 | Jul 9, 2019 | |
| Windows Server 2012 R2 | KB4507448 | Jul 9, 2019 | |
| Windows Server 2012 R2 (Server Core installation) | KB4507457 | Jul 9, 2019 | |
| Windows Server 2012 R2 (Server Core installation) | KB4507448 | Jul 9, 2019 | |
| Windows Server 2016 | 14393.3085 | KB4507460 | Jul 9, 2019 |
| Windows Server 2016 (Server Core installation) | 14393.3085 | KB4507460 | Jul 9, 2019 |
| Windows Server 2019 | 17763.615 | KB4507469 | Jul 9, 2019 |
| Windows Server 2019 (Server Core installation) | 17763.615 | KB4507469 | Jul 9, 2019 |
| Windows Server, version 1803 (Server Core Installation) | 17134.885 | KB4507435 | Jul 9, 2019 |
| Windows Server, version 1903 (Server Core installation) | 18362.239 | KB4507453 | Jul 9, 2019 |
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