CVE-2016-4503 json
Moxa Device Server Web Console 5232-N allows remote attackers to bypass authentication, and consequently modify settings and data, via vect…
published 2016-07-12 10 y ago modified 2026-06-17 4 mo ago also EUVD-2016-5490
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.8%
- EPSS 2.8% chance of exploitation in 30 days, percentile 86%
- public exploits
- 0
- none known
Summary
Moxa Device Server Web Console 5232-N allows remote attackers to bypass authentication, and consequently modify settings and data, via vectors related to reading a cookie parameter containing a UserId value.
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-16-189-02 updated cvss 7.5
Moxa Device Server Web Console Authorization Bypass Vulnerability
-
Moxa Device Server Web Console 5232-Naffected: mitigation
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
2.85% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
ics-cert.us-cert.gov
/advisories/ICSA-16-189-02
third-party-advisory, us-government-resource
-
securityfocus.com
/bid/91670
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2016-4503
- NVD CVE-2016-4503
Fencer Vulns 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.