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…

published July 12, 2016

CVSS
—
EPSS
3%
Percentile
86.5
In the wild
Unconfirmed
What it is

⚠️ A crafty cookie lets attackers waltz right through authentication! This vulnerability in Moxa Device Server Web Console 5232-N allows them to tweak settings without breaking a sweat. 🦸 Think of it like a restaurant where anyone can grab the server's order book because they know the secret knock — once inside, they can change your order to something completely different! If an attacker exploits this flaw, they can change device settings and manipulate data, potentially wreaking havoc on your network operations. This could lead to unauthorized access to critical systems, compromising the integrity of data and causing service disruptions.

Put simply

Think of it like a restaurant where anyone can grab the server's order book because they know the secret knock — once inside, they can change your order to something completely different! The vulnerability arises from inadequate authentication checks tied to a user cookie that contains the UserId, allowing attackers to bypass login requirements altogether and access sensitive functions without permission.

What to do

If an attacker exploits this flaw, they can change device settings and manipulate data, potentially wreaking havoc on your network operations. This could lead to unauthorized access to critical systems, compromising the integrity of data and causing service disruptions. To protect against this, ensure that you update to the latest version of the Moxa Device Server Web Console. Review your device configurations to implement strict access controls and regularly audit user permissions. You’ve got this! Stay proactive and secure your devices like the hero you are! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02848 · 86.5th percentile
Published
2016-07-12T01:00Z
EPSS history
Timeline
  • 12 JUL 01:00Z
    Moxa Device Server Web Console 5232-N allows remote attackers to bypass authentication, and consequently modify settings and data, via vectors related to…
    cvelistv5