Auth bypass in Advantech Webaccess
CVE-2017-5152
An issue was discovered in Advantech WebAccess Version 8.1. By accessing a specific uniform resource locator (URL) on the web server, a malicious user is able to access pages unrestricted (AUTHENTICATION BYPASS).
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.038 (89.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 89.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.038 · newest: 0.038 · change: 0.000
Affected products
- Advantech Webaccess — versions 8.1
- Advantech Webaccess 8.1 — versions Advantech WebAccess 8.1
Weakness classification (CWE)
References
- www.tenable.com/security/research/tra-2017-04
- www.securityfocus.com/bid/95410 (VDB Entry, Third Party Advisory, vdb-entry)
- ics-cert.us-cert.gov/advisories/ICSA-17-012-01 (US Government Resource, Third Party Advisory, Mitigation)
Frequently asked questions
- What is CVE-2017-5152?
- CVE-2017-5152 is a critical-severity vulnerability in Advantech Webaccess, classified under Improper Authentication. CVSS score: 9.1/10. Published 2017-02-13.
- How severe is CVE-2017-5152?
- Critical severity. CVSS v3 base score is 9.1 out of 10.