Auth bypass in Schneider-Electric Wonderware Indusoft Web Studio
CVE-2017-13997
A Missing Authentication for Critical Function issue was discovered in Schneider Electric InduSoft Web Studio v8.0 SP2 or prior, and InTouch Machine Edition v8.0 SP2 or prior. InduSoft Web Studio provides the capability for an HMI client to trigger script execution on the server for the purposes of performing customized calculations or actions. A remote malicious entity could bypass the server authentication and trigger the execution of an arbitrary command. The command is executed under high privileges and could lead to a complete compromise of the server.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.051 (92.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 92.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.051 · newest: 0.051 · change: 0.000
Affected products
- Schneider-Electric Wonderware Indusoft Web Studio
- Schneider-Electric Wonderware Intouch
- Schneider Electric Indusoft Web Studio, Intouch Machine Edition — versions Schneider Electric InduSoft Web Studio, InTouch Machine Edition
Weakness classification (CWE)
References
- ics-cert.us-cert.gov/advisories/ICSA-17-264-01 (US Government Resource, Third Party Advisory, Mitigation)
- www.securityfocus.com/bid/100952 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2017-13997?
- CVE-2017-13997 is a critical-severity vulnerability in Schneider-Electric Wonderware Indusoft Web Studio, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2017-10-03.
- How severe is CVE-2017-13997?
- Critical severity. CVSS v3 base score is 9.8 out of 10.