Vulnerability Monitor

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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.

Published

2017-11-06T22:29:00.270

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 4.9 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

8.0

Impact Score

2.9

Weaknesses

Type: Secondary
CWE-20
Type: Primary
CWE-20

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	siemens	simatic_pcs7	8.1	Yes
Application	siemens	simatic_wincc	7.3	Yes
Application	siemens	simatic_pcs7	8.2	Yes

References

http://www.securityfocus.com/bid/101680 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1039729 Third Party Advisory, VDB Entry ([email protected])
https://ics-cert.us-cert.gov/advisories/ICSA-17-306-01 Third Party Advisory, US Government Resource ([email protected])
http://www.securityfocus.com/bid/101680 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1039729 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://ics-cert.us-cert.gov/advisories/ICSA-17-306-01 Third Party Advisory, US Government Resource (af854a3a-2127-422b-91ae-364da2661108)