7.5
HIGH
CVE-2019-6836
Contiweb U.motion Server Authorization Bypass
Description

A CWE-863: Incorrect Authorization vulnerability exists in U.motion Server (MEG6501-0001 - U.motion KNX server, MEG6501-0002 - U.motion KNX Server Plus, MEG6260-0410 - U.motion KNX Server Plus, Touch 10, MEG6260-0415 - U.motion KNX Server Plus, Touch 15), which could allow the file system to access the wrong file.

INFO

Published Date :

Sept. 17, 2019, 8:15 p.m.

Last Modified :

April 16, 2021, 10:15 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2019-6836 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Schneider-electric meg6501-0001_firmware
2 Schneider-electric meg6501-0002_firmware
3 Schneider-electric meg6260-0410_firmware
4 Schneider-electric meg6260-0415_firmware
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2019-6836.

URL Resource
https://www.se.com/ww/en/download/document/SEVD-2019-253-01/

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2019-6836 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-6836 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Apr. 16, 2021

    Action Type Old Value New Value
    Changed Description An Improper Access Control: CWE-284 vulnerability exists in U.motion Server (MEG6501-0001 - U.motion KNX server, MEG6501-0002 - U.motion KNX Server Plus, MEG6260-0410 - U.motion KNX Server Plus, Touch 10, MEG6260-0415 - U.motion KNX Server Plus, Touch 15), which could allow the file system to access the wrong file. A CWE-863: Incorrect Authorization vulnerability exists in U.motion Server (MEG6501-0001 - U.motion KNX server, MEG6501-0002 - U.motion KNX Server Plus, MEG6260-0410 - U.motion KNX Server Plus, Touch 10, MEG6260-0415 - U.motion KNX Server Plus, Touch 15), which could allow the file system to access the wrong file.
    Removed Reference https://www.schneider-electric.com/ww/en/download/document/SEVD-2019-253-01 [Vendor Advisory]
    Added Reference https://www.se.com/ww/en/download/document/SEVD-2019-253-01/ [No Types Assigned]
    Removed CWE Schneider Electric SE CWE-284
    Added CWE Schneider Electric SE CWE-863
    Removed CWE Reason CWE-284 / Outside of 1003
  • Modified Analysis by [email protected]

    Oct. 16, 2020

    Action Type Old Value New Value
    Removed CWE NIST CWE-863
    Added CWE NIST NVD-CWE-Other
  • CVE Modified by [email protected]

    Oct. 09, 2019

    Action Type Old Value New Value
    Added CWE Schneider Electric SE CWE-284
  • Initial Analysis by [email protected]

    Sep. 18, 2019

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:N/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type https://www.schneider-electric.com/ww/en/download/document/SEVD-2019-253-01 No Types Assigned https://www.schneider-electric.com/ww/en/download/document/SEVD-2019-253-01 Vendor Advisory
    Added CWE CWE-863
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:meg6501-0001_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.3.7 OR cpe:2.3:o:schneider-electric:meg6501-0001:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:meg6501-0002_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.3.7 OR cpe:2.3:o:schneider-electric:meg6501-0002:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:meg6260-0410_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.3.7 OR cpe:2.3:o:schneider-electric:meg6260-0410:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:meg6260-0415_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.3.7 OR cpe:2.3:o:schneider-electric:meg6260-0415:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2019-6836 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2019-6836 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.17 }} 0.00%

score

0.51986

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability