synced 12 MIN AGO
01 Record

CVE-2019-1126

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

UnratedPUBLISHEDCNA: microsoft
CNA base scoreUnratedNo CNA CVSS vector

02 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

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
4.94% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 91.7% of scored records. A rank, not a probability.
NVD base score
5.3 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2019-07-29 14:12Z7 YR AGO
Last updated
2024-08-04 18:06Z2 YR AGO
Reserved
2018-11-26
Assigning CNA
microsoft
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-307Improper Restriction of Excessive Authentication AttemptsBase
Data version
5.1
Document digest
20b12ac3e12149d0c6d3bb709fe9300a6de200155c86f2d540ed894cde230069

05 Affected products

VendorProductVersionsPlatforms
MicrosoftWindows Server2012 R2, 2012 R2 (Core installation), 2016, 2016 (Core installation), version 1803 (Core Installation), 2019, 2019 (Core installation)—

06 References