Vulnerability Details : CVE-2017-6867
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.
Vulnerability category: Memory CorruptionInput validation
Products affected by CVE-2017-6867
- cpe:2.3:a:siemens:simatic_wincc:7.4:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_wincc:7.3:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_wincc_runtime:14:*:*:*:professional:*:*:*
- cpe:2.3:a:siemens:simatic_wincc_runtime:13:sp1:*:*:professional:*:*:*
- cpe:2.3:a:siemens:simatic_wincc_\(tia_portal\):14:*:*:*:professional:*:*:*
- cpe:2.3:a:siemens:simatic_wincc_\(tia_portal\):13:sp1:*:*:professional:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-6867
0.29%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 65 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-6867
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:N/I:N/A:P |
8.0
|
2.9
|
NIST | |
|
4.9
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |
1.2
|
3.6
|
NIST |
CWE ids for CVE-2017-6867
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: productcert@siemens.com (Secondary)
References for CVE-2017-6867
-
https://cert-portal.siemens.com/productcert/pdf/ssa-523365.pdf
-
https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-156872.pdf
Vendor Advisory
-
http://www.securityfocus.com/bid/98368
Multiple SIMATIC WinCC Products CVE-2017-6867 Denial of Service VulnerabilityThird Party Advisory;VDB Entry
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