Home/CVE/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
CVE

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

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.

MEDIUM · CVSS 4.9 EPSS 0.02765
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
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Weakness Classification

CWE-20Improper Input Validation
CWE-20Improper Input Validation
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Affected Products & Versions

2
siemens simatic pcs7all versions
siemens simatic winccall versions
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Scoring & Timeline

4.9
MEDIUM · CVSS v3.1 · ics-cert@hq.dhs.gov
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Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD06 Nov 2017 · 10:29 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
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References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/101680Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1039729Third Party AdvisoryVDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-17-306-01Third Party AdvisoryUS Government Resource
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