Current Description
A security feature bypass vulnerability exists when Active Directory Federation Services (ADFS) improperly updates its list of banned IP addresses. To exploit this vulnerability, an attacker would have to convince a victim ADFS administrator to update the list of banned IP addresses. This security update corrects how ADFS updates its list of banned IP addresses., aka 'ADFS Security Feature Bypass Vulnerability'. This CVE ID is unique from CVE-2019-1126.
Source:
MITRE
View Analysis Description
Analysis Description
A security feature bypass vulnerability exists when Active Directory Federation Services (ADFS) improperly updates its list of banned IP addresses. To exploit this vulnerability, an attacker would have to convince a victim ADFS administrator to update the list of banned IP addresses. This security update corrects how ADFS updates its list of banned IP addresses., aka 'ADFS Security Feature Bypass Vulnerability'. This CVE ID is unique from CVE-2019-1126.
Source:
MITRE
Impact
CVSS v3.0 Severity and Metrics:
Base Score:
6.3 MEDIUM
Vector:
AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
(V3.0 legend)
Impact Score:
3.4
Exploitability Score:
2.8
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
Required
Scope (S):
Unchanged
Confidentiality (C):
Low
Integrity (I):
Low
Availability (A):
Low
CVSS v2.0 Severity and Metrics:
Base Score:
6.8 MEDIUM
Vector:
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
(V2 legend)
Impact Subscore:
6.4
Exploitability Subscore:
8.6
Access Vector (AV):
Network
Access Complexity (AC):
Medium
Authentication (AU):
None
Confidentiality (C):
Partial
Integrity (I):
Partial
Availability (A):
Partial
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service
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Change History
1 change record found
- show changes
Initial Analysis -
7/22/2019 1:32:14 PM
| Action |
Type |
Old Value |
New Value |
| Added |
CPE Configuration |
|
OR
*cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:*
*cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:* |
| Added |
CVSS V2 |
|
(AV:N/AC:M/Au:N/C:P/I:P/A:P) |
| Added |
CVSS V2 Metadata |
|
Victim must voluntarily interact with attack mechanism |
| Added |
CVSS V3 |
|
AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L |
| Added |
CWE |
|
CWE-254 |
| Changed |
Reference Type |
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0975 No Types Assigned |
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0975 Patch, Vendor Advisory |