7.3
HIGH
CVE-2019-6855
EcoStruxure Control Expert, Unity Pro, Modicon M340, and Modicon M580 Authentication Bypass
Description
Incorrect Authorization vulnerability exists in EcoStruxure Control Expert (all versions prior to 14.1 Hot Fix), Unity Pro (all versions), Modicon M340 (all versions prior to V3.20) , and Modicon M580 (all versions prior to V3.10), which could cause a bypass of the authentication process between EcoStruxure Control Expert and the M340 and M580 controllers.
INFO
Published Date :
Jan. 6, 2020, 11:15 p.m.
Last Modified :
Jan. 31, 2022, 7:33 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.4
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2019-6855
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.
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-2019-6855.
| URL | Resource |
|---|---|
| https://www.se.com/ww/en/download/document/SEVD-2019-344-02/ | 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-2019-6855 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-6855 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 -
CPE Deprecation Remap by [email protected]
Jan. 31, 2022
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:se:ecostruxure_control_expert:14.1:-:*:*:*:*:*:* OR *cpe:2.3:a:schneider-electric:ecostruxure_control_expert:14.1:-:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Jan. 31, 2022
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:se:ecostruxure_control_expert:*:*:*:*:*:*:*:* versions from (excluding) 14.1 OR *cpe:2.3:a:schneider-electric:ecostruxure_control_expert:*:*:*:*:*:*:*:* versions from (excluding) 14.1 -
Modified Analysis by [email protected]
Dec. 10, 2021
Action Type Old Value New Value Changed Reference Type https://www.se.com/ww/en/download/document/SEVD-2019-344-02/ No Types Assigned https://www.se.com/ww/en/download/document/SEVD-2019-344-02/ Vendor Advisory Removed CWE NIST NVD-CWE-Other Added CWE NIST CWE-863 Changed CPE Configuration OR *cpe:2.3:a:schneider-electric:unity_pro:*:*:*:*:*:*:*:* *cpe:2.3:a:se:ecostruxure_control_expert:14.0:*:*:*:*:*:*:* OR *cpe:2.3:a:schneider-electric:unity_pro:*:*:*:*:*:*:*:* *cpe:2.3:a:se:ecostruxure_control_expert:*:*:*:*:*:*:*:* versions up to (excluding) 14.1 *cpe:2.3:a:se:ecostruxure_control_expert:14.1:-:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m580_bmep584040_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.10 OR cpe:2.3:h:schneider-electric:modicon_m580_bmep584040:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m580_bmeh584040_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.10 OR cpe:2.3:h:schneider-electric:modicon_m580_bmeh584040:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m580_bmep586040_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.10 OR cpe:2.3:h:schneider-electric:modicon_m580_bmep586040:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m580_bmeh586040_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.10 OR cpe:2.3:h:schneider-electric:modicon_m580_bmeh586040:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m580_bmep581020_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.10 OR cpe:2.3:h:schneider-electric:modicon_m580_bmep581020:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m580_bmep582020_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.10 OR cpe:2.3:h:schneider-electric:modicon_m580_bmep582020:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m580_bmep582040_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.10 OR cpe:2.3:h:schneider-electric:modicon_m580_bmep582040:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m580_bmep583020_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.10 OR cpe:2.3:h:schneider-electric:modicon_m580_bmep583020:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m580_bmep583040_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.10 OR cpe:2.3:h:schneider-electric:modicon_m580_bmep583040:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m580_bmep584020_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.10 OR cpe:2.3:h:schneider-electric:modicon_m580_bmep584020:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m580_bmep585040_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.10 OR cpe:2.3:h:schneider-electric:modicon_m580_bmep585040:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m580_bmeh582040_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.10 OR cpe:2.3:h:schneider-electric:modicon_m580_bmeh582040:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m580_bmep584040s_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.10 OR cpe:2.3:h:schneider-electric:modicon_m580_bmep584040s:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m580_bmeh584040s_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.10 OR cpe:2.3:h:schneider-electric:modicon_m580_bmeh584040s:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m580_bmeh586040s_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.10 OR cpe:2.3:h:schneider-electric:modicon_m580_bmeh586040s:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m580_bmep582040s_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.10 OR cpe:2.3:h:schneider-electric:modicon_m580_bmep582040s:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m340_bmxp3420302_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.20 OR cpe:2.3:h:schneider-electric:modicon_m340_bmxp3420302:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m340_bmxp342020_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.20 OR cpe:2.3:h:schneider-electric:modicon_m340_bmxp342020:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m340_bmxp342000_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.20 OR cpe:2.3:h:schneider-electric:modicon_m340_bmxp342000:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m340_bmxp341000_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.20 OR cpe:2.3:h:schneider-electric:modicon_m340_bmxp341000:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m340_bmxp3420102_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.20 OR cpe:2.3:h:schneider-electric:modicon_m340_bmxp3420102:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m340_bmxp3420302_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.20 OR cpe:2.3:h:schneider-electric:modicon_m340_bmxp3420302:-:*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Sep. 22, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:schneider-electric:ecostruxure_control_expert:14.0:*:*:*:*:*:*:* OR *cpe:2.3:a:se:ecostruxure_control_expert:14.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
May. 13, 2021
Action Type Old Value New Value Changed Description ÊA CWE-863: Incorrect Authorization vulnerability exists in EcoStruxure Control Expert (all versions prior to 14.1 Hot Fix), Unity Pro (all versions), Modicon M340 (all versions prior to V3.20) , and Modicon M580 (all versions prior to V3.10), which could cause a bypass of the authentication process between EcoStruxure Control Expert and the M340 and M580 controllers.Ê Incorrect Authorization vulnerability exists in EcoStruxure Control Expert (all versions prior to 14.1 Hot Fix), Unity Pro (all versions), Modicon M340 (all versions prior to V3.20) , and Modicon M580 (all versions prior to V3.10), which could cause a bypass of the authentication process between EcoStruxure Control Expert and the M340 and M580 controllers. -
CVE Modified by [email protected]
Apr. 19, 2021
Action Type Old Value New Value Changed Description An Improper Authorization - CWE-285 vulnerability exists in EcoStruxure™ Control Expert V14.0 and all versions of Unity Pro (previously calledEcoStruxure™ Control Expert), which could allow a bypass of the authentication process between EcoStruxure Control Expert and the controller. ÊA CWE-863: Incorrect Authorization vulnerability exists in EcoStruxure Control Expert (all versions prior to 14.1 Hot Fix), Unity Pro (all versions), Modicon M340 (all versions prior to V3.20) , and Modicon M580 (all versions prior to V3.10), which could cause a bypass of the authentication process between EcoStruxure Control Expert and the M340 and M580 controllers.Ê Removed Reference https://www.se.com/ww/en/download/document/SEVD-2019-344-02 [Vendor Advisory] Added Reference https://www.se.com/ww/en/download/document/SEVD-2019-344-02/ [No Types Assigned] Removed CWE Schneider Electric SE CWE-285 Added CWE Schneider Electric SE CWE-863 Removed CWE Reason CWE-285 / Outside of 1003 -
Modified Analysis by [email protected]
Oct. 22, 2020
Action Type Old Value New Value Removed CWE NIST CWE-863 Added CWE NIST NVD-CWE-Other -
Initial Analysis by [email protected]
Jan. 16, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L Changed Reference Type https://www.se.com/ww/en/download/document/SEVD-2019-344-02 No Types Assigned https://www.se.com/ww/en/download/document/SEVD-2019-344-02 Vendor Advisory Added CWE NIST CWE-863 Added CPE Configuration OR *cpe:2.3:a:schneider-electric:ecostruxure_control_expert:14.0:*:*:*:*:*:*:* *cpe:2.3:a:schneider-electric:unity_pro:*:*:*:*:*:*:*:*
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-2019-6855 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-2019-6855
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.09 }} 0.00%
score
0.37794
percentile
CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability