Vulnerability Details : CVE-2018-8340
A security feature bypass vulnerability exists when Active Directory Federation Services (AD FS) improperly handles multi-factor authentication requests, aka "AD FS Security Feature Bypass Vulnerability." This affects Windows Server 2016, Windows Server 2012 R2, Windows 10 Servers.
Products affected by CVE-2018-8340
- cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2016:1709:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-8340
0.10%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 42 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-8340
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:N/A:N |
8.0
|
2.9
|
NIST | |
6.5
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
2.8
|
3.6
|
NIST |
References for CVE-2018-8340
-
http://www.securitytracker.com/id/1041474
Microsoft Active Directory Federation Services Lets Remote Users Bypass Some Multi-Factor Authentication on the Target System - SecurityTrackerThird Party Advisory;VDB Entry
-
http://www.securityfocus.com/bid/105029
Microsoft Windows ADFS CVE-2018-8340 Security Bypass VulnerabilityThird Party Advisory;VDB Entry
-
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8340
CVE-2018-8340 | ADFS Security Feature Bypass VulnerabilityPatch;Vendor Advisory
Jump to