7.8
HIGH
CVE-2019-6854
"Schneider Electric ClearSCADA Authorization Bypass"
Description

A CWE-287: Improper Authentication vulnerability exists in a folder within EcoStruxure Geo SCADA Expert (ClearSCADA) -with initial releases before 1 January 2019- which could cause a low privilege user to delete or modify database, setting or certificate files. Those users must have access to the file system of that operating system to exploit this vulnerability. Affected versions in current support includes ClearSCADA 2017 R3, ClearSCADA 2017 R2, and ClearSCADA 2017.

INFO

Published Date :

Jan. 6, 2020, 11:15 p.m.

Last Modified :

Nov. 3, 2021, 7:23 p.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2019-6854 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 clearscada
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-2019-6854.

URL Resource
https://www.se.com/ww/en/download/document/SEVD-2019-344-05/ Vendor Advisory

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-2019-6854 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-6854 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
  • Modified Analysis by [email protected]

    Nov. 03, 2021

    Action Type Old Value New Value
    Changed Reference Type https://www.se.com/ww/en/download/document/SEVD-2019-344-05/ No Types Assigned https://www.se.com/ww/en/download/document/SEVD-2019-344-05/ Vendor Advisory
    Removed CWE NIST CWE-287
    Added CWE NIST NVD-CWE-Other
  • CVE Modified by [email protected]

    Apr. 19, 2021

    Action Type Old Value New Value
    Changed Description A CWE-264 Permissions, Privileges, and Access Controls vulnerability exists in a folder within EcoStruxure Geo SCADA Expert (ClearSCADA) -with initial releases before 1 January 2019- which could cause a low privilege user to delete or modify database, setting or certificate files. Those users must have access to the file system of that operating system to exploit this vulnerability. Affected versions in current support includes ClearSCADA 2017 R3, ClearSCADA 2017 R2, and ClearSCADA 2017. A CWE-287: Improper Authentication vulnerability exists in a folder within EcoStruxure Geo SCADA Expert (ClearSCADA) -with initial releases before 1 January 2019- which could cause a low privilege user to delete or modify database, setting or certificate files. Those users must have access to the file system of that operating system to exploit this vulnerability. Affected versions in current support includes ClearSCADA 2017 R3, ClearSCADA 2017 R2, and ClearSCADA 2017.
    Removed Reference https://www.se.com/ww/en/download/document/SEVD-2019-344-05 [Vendor Advisory]
    Added Reference https://www.se.com/ww/en/download/document/SEVD-2019-344-05/ [No Types Assigned]
    Removed CWE Schneider Electric SE CWE-264
    Added CWE Schneider Electric SE CWE-287
    Removed CWE Reason CWE-264 / Assessment performed prior to CVMAP efforts
  • Initial Analysis by [email protected]

    Jan. 17, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://www.se.com/ww/en/download/document/SEVD-2019-344-05 No Types Assigned https://www.se.com/ww/en/download/document/SEVD-2019-344-05 Vendor Advisory
    Added CWE NIST CWE-287
    Added CPE Configuration OR *cpe:2.3:a:schneider-electric:clearscada:2017:*:*:*:*:*:*:* *cpe:2.3:a:schneider-electric:clearscada:2017:r2:*:*:*:*:*:* *cpe:2.3:a:schneider-electric:clearscada:2017:r3:*:*:*:*:*:*
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-2019-6854 is associated with the following CWEs:

Exploit Prediction

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

0.05 }} 0.00%

score

0.14142

percentile

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