Vulnerability Details : CVE-2018-8320
A security feature bypass vulnerability exists in DNS Global Blocklist feature, aka "Windows DNS Security Feature Bypass Vulnerability." This affects Windows Server 2012 R2, Windows Server 2008, Windows Server 2012, Windows Server 2019, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.
Exploit prediction scoring system (EPSS) score for CVE-2018-8320
Probability of exploitation activity in the next 30 days: 0.19%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 56 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2018-8320
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:N/A:N |
8.0
|
2.9
|
NIST |
4.3
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
2.8
|
1.4
|
NIST |
References for CVE-2018-8320
-
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8320
CVE-2018-8320 | Windows DNS Security Feature Bypass VulnerabilityPatch;Vendor Advisory
-
http://www.securitytracker.com/id/1041830
Windows DNS Global Blocklist Flaw Lets Remote Users Obtain Potentially Sensitive Information on the Target System - SecurityTrackerThird Party Advisory;VDB Entry
-
http://www.securityfocus.com/bid/105503
Microsoft Windows DNS CVE-2018-8320 Security Bypass VulnerabilityThird Party Advisory;VDB Entry
Products affected by CVE-2018-8320
- cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:-:sp1:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_server_2008:-:sp1:*:*:*:*:itanium:*
- cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*
- 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:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*