Auth bypass in Advantech B\+b Smartworx Mesr901
CVE-2017-7909
A Use of Client-Side Authentication issue was discovered in Advantech B+B SmartWorx MESR901 firmware versions 1.5.2 and prior. The web interface uses JavaScript to check client authentication and redirect unauthorized users. Attackers may intercept requests and bypass authentication to access restricted web pages.
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: 0.026 (85.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.026 · newest: 0.026 · change: 0.000
Affected products
- Advantech B\+b Smartworx Mesr901
- Advantech B\+b Smartworx Mesr901 Firmware
- Advantech B+b Smartworx Mesr901 — versions Advantech B+B SmartWorx MESR901
Weakness classification (CWE)
References
- ics-cert.us-cert.gov/advisories/ICSA-17-122-03 (US Government Resource, Third Party Advisory)
- www.securityfocus.com/bid/98257 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2017-7909?
- CVE-2017-7909 is a critical-severity vulnerability in Advantech B\+b Smartworx Mesr901, classified under CWE-603. CVSS score: 9.8/10. Published 2017-05-06.
- How severe is CVE-2017-7909?
- Critical severity. CVSS v3 base score is 9.8 out of 10.