CVE-2019-1126
CVSS V2 Medium 5
CVSS V3 Medium 5.3
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.
Overview
- CVE ID
- CVE-2019-1126
- Assigner
- secure@microsoft.com
- Vulnerability Status
- Analyzed
- Published Version
- 2019-07-15T19:15:20
- Last Modified Date
- 2020-08-24T17:37:01
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:N/A:N
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.0
- Vector String
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- LOW
- Availability Impact
- NONE
- Base Score
- 5.3
- Base Severity
- MEDIUM
- Exploitability Score
- 3.9
- Impact Score
- 1.4
References
| Reference URL | Reference Tags |
|---|---|
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1126 | Patch Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2019-1126 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-1126 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:33:17 | Added to TrackCVE | |||
| 2022-12-03 23:20:31 | 2019-07-15T19:15Z | 2019-07-15T19:15:20 | CVE Published Date | updated |
| 2022-12-03 23:20:31 | 2020-08-24T17:37:01 | CVE Modified Date | updated | |
| 2022-12-03 23:20:31 | Analyzed | Vulnerability Status | updated |