CVE-2017-14023 — MEDIUM (4.9)

Vulnerability 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.

CVSS Score

4.9

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Siemens	Simatic Pcs7	8.1
Siemens	Simatic Wincc	7.3

Related Weaknesses (CWE)

CWE-20

References

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
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

FAQ

What is CVE-2017-14023?

CVE-2017-14023 is a vulnerability with a CVSS score of 4.9 (MEDIUM). 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 id...

How severe is CVE-2017-14023?

CVE-2017-14023 has been rated MEDIUM with a CVSS base score of 4.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2017-14023?

Check the references section above for vendor advisories and patch information. Affected products include: Siemens Simatic Pcs7, Siemens Simatic Wincc.