Auth bypass in Aveva Indusoft Web Studio
CVE-2019-6543
AVEVA Software, LLC InduSoft Web Studio prior to Version 8.1 SP3 and InTouch Edge HMI (formerly InTouch Machine Edition) prior to Version 2017 Update. Code is executed under the program runtime privileges, which could lead to the compromise of the machine.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.173 (97.1th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.173 · newest: 0.173 · change: 0.000
Affected products
- Aveva Indusoft Web Studio — versions 6.1, 7.1, 8.0
- Aveva Intouch Machine Edition 2014 — versions r2
- Ics-Cert Aveva Software, Llc Indusoft Web Studio Prior To Version 8.1 Sp3 And Intouch Edge Hmi (Formerly Machine Edition) 2017 Update — versions AVEVA Software, LLC InduSoft Web Studio prior to Version 8.1 SP3 and InTouch Edge HMI (formerly InTouch Machine Edition) prior to Version 2017 Update
Weakness classification (CWE)
Public proof-of-concept exploits
References
- ics-cert.us-cert.gov/advisories/ICSA-19-036-01 (US Government Resource, Third Party Advisory)
- www.exploit-db.com/exploits/46342/ (Exploit, VDB Entry, Third Party Advisory, exploit)
- www.tenable.com/security/research/tra-2019-04 (Third Party Advisory)
Frequently asked questions
- What is CVE-2019-6543?
- CVE-2019-6543 is a critical-severity vulnerability in Aveva Indusoft Web Studio, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2019-02-13.
- How severe is CVE-2019-6543?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2019-6543 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.