CVE-2019-1126

2019-07-2914:12:55

microsoft

www.cve.org

6.4 Medium

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

69.8%

JSON

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.

CNA Affected

[
  {
    "product": "Windows Server",
    "vendor": "Microsoft",
    "versions": [
      {
        "status": "affected",
        "version": "2012 R2"
      },
      {
        "status": "affected",
        "version": "2012 R2 (Core installation)"
      },
      {
        "status": "affected",
        "version": "2016"
      },
      {
        "status": "affected",
        "version": "2016  (Core installation)"
      },
      {
        "status": "affected",
        "version": "version 1803  (Core Installation)"
      },
      {
        "status": "affected",
        "version": "2019"
      },
      {
        "status": "affected",
        "version": "2019  (Core installation)"
      }
    ]
  },
  {
    "product": "Windows Server, version 1903 (Server Core installation)",
    "vendor": "Microsoft",
    "versions": [
      {
        "status": "affected",
        "version": "unspecified"
      }
    ]
  }
]