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Fencer Intel
critical 9.8

CVE-2016-2275 json

The web interface on Advantech/B+B SmartWorx VESP211-EU devices with firmware 1.7.2 and VESP211-232 devices with firmware 1.5.1 and 1.7.2 r…

published 2016-02-21 10 y ago modified 2026-06-17 4 mo ago also EUVD-2016-3359

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.5%
EPSS 2.5% chance of exploitation in 30 days, percentile 85%
public exploits
0
none known

Summary

The web interface on Advantech/B+B SmartWorx VESP211-EU devices with firmware 1.7.2 and VESP211-232 devices with firmware 1.5.1 and 1.7.2 relies on the client to implement access control, which allows remote attackers to perform administrative actions via modified JavaScript code.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-16-049-01 updated cvss 9.8

B+B SmartWorx VESP211 Authentication Bypass Vulnerability

  • B+B SmartWorx VESP211-232 firmware 1.7.2, 1.5.1 B+B SmartWorx VESP211-EU firmware 1.7.2
    affected: mitigation “Advantech/B+B recommends the VESP211 serial servers only be operated behind a local network firewall.”

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

2.54% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.