CVE-2019-6840CWE-134

A Format String: CWE-134 vulnerability exists in U.motion Server (MEG6501-0001 - U.motion KNX server, MEG6501-0002 - U.motion KNX Server Plus, MEG6260-0410 -…

published September 17, 2019

CVSS
—
EPSS
1%
Percentile
66.6
In the wild
Unconfirmed
What it is

⚡ A crafted message is all it takes to unleash arbitrary commands in U.motion Server! This Format String vulnerability is sneakier than you might think! 🔥 Think of it like a waiter accepting a vague order without double-checking the menu — if the kitchen gets a confusing request, they might serve up something unexpected! An attacker could exploit this flaw to execute any command they wish on the server, potentially leading to unauthorized data access or system control. The ramifications could be serious, especially if the server manages critical home or building automation systems.

Put simply

Think of it like a waiter accepting a vague order without double-checking the menu — if the kitchen gets a confusing request, they might serve up something unexpected! This vulnerability occurs due to improper handling of format strings in U.motion Server, allowing malicious messages to trigger arbitrary command execution without proper validation.

What to do

An attacker could exploit this flaw to execute any command they wish on the server, potentially leading to unauthorized data access or system control. The ramifications could be serious, especially if the server manages critical home or building automation systems. To safeguard your setup, apply the latest firmware updates from the manufacturer for the affected U.motion Server versions. Regularly review your server's configurations and disable any unnecessary features to reduce the attack surface. You've got this! Stay vigilant and keep your systems updated for strong security! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01149 · 66.6th percentile
Weakness
CWE-134 · Use of Externally-Controlled Format String
Published
2019-09-17T19:19Z
EPSS history
Timeline
  • 17 SEP 19:19Z
    A Format String: CWE-134 vulnerability exists in U.motion Server (MEG6501-0001 - U.motion KNX server, MEG6501-0002 - U.motion KNX Server Plus, MEG6260-0410 -…
    cvelistv5