CVEvulnerability
CVE-2019-1126
5.3 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2019-07-15
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 5.3 MEDIUM — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:N
- Weaknesses
- CWE-307
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.
Affected configurations
• microsoft windows server 2012 r2
• microsoft windows server 2016
• microsoft windows server 2016 1803
• microsoft windows server 2016 1903
• microsoft windows server 2019
Related
Weakness · CWE (1)
- CWE-307 Improper Restriction of Excessive Authentication Attempts weakness
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1126 Patch, Vendor Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1126 Patch, Vendor Advisory