Vulnerability Details : CVE-2017-14023
An Improper Input Validation issue was discovered in Siemens SIMATIC PCS 7 V8.1 prior to V8.1 SP1 with WinCC V7.3 Upd 13, and V8.2 all versions. The improper input validation vulnerability has been identified, which may allow an authenticated remote attacker who is a member of the administrators group to crash services by sending specially crafted messages to the DCOM interface.
Vulnerability category: Input validation
Products affected by CVE-2017-14023
- cpe:2.3:a:siemens:simatic_wincc:7.3:update13:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_pcs7:8.1:-:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_pcs7:8.2:-:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-14023
2.77%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 85 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-14023
| 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:3.1/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-2017-14023
-
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:
- ics-cert@hq.dhs.gov (Secondary)
- nvd@nist.gov (Primary)
References for CVE-2017-14023
-
http://www.securitytracker.com/id/1039729
Siemens SIMATIC PCS 7 Lets Remote Authenticated Deny Service - SecurityTrackerThird Party Advisory;VDB Entry
-
http://www.securityfocus.com/bid/101680
Siemens SIMATIC PCS 7 CVE-2017-14023 Denial of Service VulnerabilityThird Party Advisory;VDB Entry
-
https://ics-cert.us-cert.gov/advisories/ICSA-17-306-01
Siemens SIMATIC PCS 7 (Update A) | CISAThird Party Advisory;US Government Resource
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