Modified
This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
Current Description
A vulnerability was discovered in Siemens SIMATIC WinCC (V7.3 before Upd 11 and V7.4 before SP1), SIMATIC WinCC Runtime Professional (V13 before SP2 and V14 before SP1), SIMATIC WinCC (TIA Portal) Professional (V13 before SP2 and V14 before SP1) that could allow an authenticated, remote attacker who is member of the "administrators" group to crash services by sending specially crafted messages to the DCOM interface.
Source:
MITRE
View Analysis Description
Analysis Description
A vulnerability was discovered in Siemens SIMATIC WinCC (V7.3 before Upd 11 and V7.4 before SP1), SIMATIC WinCC Runtime Professional (V13 before SP2 and V14 before SP1), SIMATIC WinCC (TIA Portal) Professional (V13 before SP2 and V14 before SP1) that could allow an authenticated, remote attacker who is member of the "administrators" group to crash services by sending specially crafted messages to the DCOM interface.
Source:
MITRE
Impact
CVSS v3.0 Severity and Metrics:
Base Score:
4.9 MEDIUM
Vector:
AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
(V3 legend)
Impact Score:
3.6
Exploitability Score:
1.2
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
High
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High
CVSS v2.0 Severity and Metrics:
Base Score:
4.0 MEDIUM
Vector:
(AV:N/AC:L/Au:S/C:N/I:N/A:P)
(V2 legend)
Impact Subscore:
2.9
Exploitability Subscore:
8.0
Access Vector (AV):
Network
Access Complexity (AC):
Low
Authentication (AU):
Single
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
Partial
Additional Information:
Allows disruption of service
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Technical Details
Vulnerability Type
(View All)
- Improper Input Validation (CWE-20)
Change History
2 change records found
- show changes
CVE Modified by MITRE -
6/13/2018 9:29:31 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://cert-portal.siemens.com/productcert/pdf/ssa-523365.pdf [No Types Assigned] |
Initial Analysis -
5/20/2017 8:23:00 PM
| Action |
Type |
Old Value |
New Value |
| Added |
CPE Configuration |
|
OR
*cpe:2.3:a:siemens:simatic_wincc:7.3:*:*:*:*:*:*:*
*cpe:2.3:a:siemens:simatic_wincc:7.4:*:*:*:*:*:*:*
*cpe:2.3:a:siemens:simatic_wincc_\(tia_portal\):13:sp1:*:*:professional:*:*:*
*cpe:2.3:a:siemens:simatic_wincc_\(tia_portal\):14:*:*:*:professional:*:*:*
*cpe:2.3:a:siemens:simatic_wincc_runtime:13:sp1:*:*:professional:*:*:*
*cpe:2.3:a:siemens:simatic_wincc_runtime:14:*:*:*:professional:*:*:* |
| Added |
CVSS V2 |
|
(AV:N/AC:L/Au:S/C:N/I:N/A:P) |
| Added |
CVSS V3 |
|
AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |
| Added |
CWE |
|
CWE-20 |
| Changed |
Reference Type |
http://www.securityfocus.com/bid/98368 No Types Assigned |
http://www.securityfocus.com/bid/98368 Third Party Advisory, VDB Entry |
| Changed |
Reference Type |
https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-156872.pdf No Types Assigned |
https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-156872.pdf Vendor Advisory |