Improper input validation in Siemens Simatic Pcs7
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.037 (89.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 89.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.037 · newest: 0.037 · change: 0.000
Affected products
- Siemens Simatic Pcs7 — versions 8.1, 8.2
- Siemens Simatic Wincc — versions 7.3
- Siemens Simatic Pcs 7 — versions Siemens SIMATIC PCS 7
Weakness classification (CWE)
Public proof-of-concept exploits
References
- ics-cert.us-cert.gov/advisories/ICSA-17-306-01 (US Government Resource, Third Party Advisory)
- www.securitytracker.com/id/1039729 (VDB Entry, Third Party Advisory, vdb-entry)
- www.securityfocus.com/bid/101680 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2017-14023?
- CVE-2017-14023 is a medium-severity vulnerability in Siemens Simatic Pcs7, classified under Improper Input Validation. CVSS score: 4.9/10. Published 2017-11-06.
- How severe is CVE-2017-14023?
- Medium severity. CVSS v3 base score is 4.9 out of 10.
- Is CVE-2017-14023 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.