What is CVE-2016-4503?

CVE-2016-4503 is a critical-severity vulnerability in Moxa Device Server Web Console 5232-N, classified under Improper Authentication. CVSS score: 9.8/10. Published 2016-07-12.

How severe is CVE-2016-4503?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Moxa Device Server Web Console 5232-N

CVE-2016-4503

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.

Vulnerability class: Broken Authentication

EPSS: 0.028 (85.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Moxa Device_server_web_console_5232-n
Moxa Device_server_web_console_5232-n_firmware
N/a — versions n/a

Weakness classification (CWE)

CWE-287 — Improper Authentication

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-2016-4503?: CVE-2016-4503 is a critical-severity vulnerability in Moxa Device Server Web Console 5232-N, classified under Improper Authentication. CVSS score: 9.8/10. Published 2016-07-12.
How severe is CVE-2016-4503?: Critical severity. CVSS v3 base score is 9.8 out of 10.