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.
EPSS: 0.026 (84.4th percentile) — read the EPSS interpretation.
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.
Affected products
- Advantech_b\+b_smartworx Mesr901
- Advantech_b\+b_smartworx Mesr901_firmware
- N/a Advantech B+b Smartworx Mesr901 — versions Advantech B+B SmartWorx MESR901
Weakness classification (CWE)
References
- ics-cert@hq.dhs.gov (US Government Resource, Third Party Advisory, x_refsource_MISC)
- ics-cert@hq.dhs.gov (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
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.