CVE-2016-4503 — CRITICAL (9.8)

Vulnerability Description

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.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Moxa	Device Server Web Console 5232-N Firmware	-
Moxa	Device Server Web Console 5232-N	-

Related Weaknesses (CWE)

CWE-287

References

http://www.securityfocus.com/bid/91670Third Party AdvisoryVDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-16-189-02Third Party AdvisoryUS Government Resource
http://www.securityfocus.com/bid/91670Third Party AdvisoryVDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-16-189-02Third Party AdvisoryUS Government Resource

FAQ

What is CVE-2016-4503?

CVE-2016-4503 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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...

How severe is CVE-2016-4503?

CVE-2016-4503 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2016-4503?

Check the references section above for vendor advisories and patch information. Affected products include: Moxa Device Server Web Console 5232-N Firmware, Moxa Device Server Web Console 5232-N.