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.
References (3)
Core 3
Core References
Third Party Advisory, US Government Resource x_refsource_misc
https://ics-cert.us-cert.gov/advisories/ICSA-17-306-01
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1039729
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/101680
Scores
CVSS v3
4.9
EPSS
0.0277
EPSS Percentile
86.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-20
Status
published
Products (4)
n/a/Siemens SIMATIC PCS 7
Siemens SIMATIC PCS 7
siemens/simatic_pcs7
8.1
siemens/simatic_pcs7
8.2
siemens/simatic_wincc
7.3 update13
Published
Nov 06, 2017
Tracked Since
Feb 18, 2026