Microsoft Windows Server

CVE-2019-1126
MEDIUM 5.3

At a glance

Source
NVD
EPSS
EPSS 4.95 % · percentile 92 ()
State
PUBLISHED
Published
Updated
Assigner
microsoft
NVD status
Modified

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.

Weaknesses (CWE)

  • CWE-307 — Improper Restriction of Excessive Authentication Attempts

References

Scores

VersionScoreVectorScored by
CVSS 3.0MEDIUM 5.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NNVD · nvd@nist.gov (Primary)
CVSS 2.0MEDIUM 5.0AV:N/AC:L/Au:N/C:P/I:N/A:NNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Microsoft · Windows Serveraffected 2012 R2 ; affected 2012 R2 (Core installation) ; affected 2016 ; affected 2016 (Core installation) ; affected version 1803 (Core Installation) ; affected 2019
Microsoft · Windows Server, version 1903 (Server Core installation)affected unspecified

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD