CVE-2017-14023

Name: CVE-2017-14023
Creator: NVD / NIST
Published: 2017-11-06T22:29:00.27+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.9/10EPSS 3.67%

Last modified Jun 17, 2026

CVE-2017-14023 is a medium-severity vulnerability rated 4.9/10 on the CVSS scale. 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.. EPSS estimates a 3.67% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

4.9/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

3.67%

88.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions	Update
Siemens	Simatic Pcs7	8.1	—
Siemens	Simatic Wincc	7.3	Update13
Siemens	Simatic Pcs7	8.2	—

References

http://www.securityfocus.com/bid/101680Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039729Third Party Advisory, VDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-17-306-01Third Party Advisory, US Government Resource
http://www.securityfocus.com/bid/101680Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039729Third Party Advisory, VDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-17-306-01Third Party Advisory, US Government Resource

Timeline

Published: Nov 6, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-14023?

How severe is CVE-2017-14023?

CVE-2017-14023 has a CVSS score of 4.9/10 (MEDIUM severity). The EPSS model estimates a 3.67% probability of exploitation in the next 30 days.

How do I fix CVE-2017-14023?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-14023?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST