9.1
CRITICAL
CVE-2021-22779
"EcoStruxure Control Expert Authentication Bypass"
Description

Authentication Bypass by Spoofing vulnerability exists in EcoStruxure Control Expert (all versions prior to V15.0 SP1, including all versions of Unity Pro), EcoStruxure Control Expert V15.0 SP1, EcoStruxure Process Expert (all versions, including all versions of EcoStruxure Hybrid DCS), SCADAPack RemoteConnect for x70 (all versions), Modicon M580 CPU (all versions - part numbers BMEP* and BMEH*), Modicon M340 CPU (all versions - part numbers BMXP34*), that could cause unauthorized access in read and write mode to the controller by spoofing the Modbus communication between the engineering software and the controller.

INFO

Published Date :

July 14, 2021, 3:15 p.m.

Last Modified :

July 26, 2021, 5:20 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.2

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2021-22779 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2021-22779 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 modicon_m580_bmep584040_firmware
2 Schneider-electric modicon_m580_bmep582040_firmware
3 Schneider-electric modicon_m580_bmep586040_firmware
4 Schneider-electric modicon_m580_bmep585040_firmware
5 Schneider-electric modicon_m580_bmep582020_firmware
6 Schneider-electric modicon_m580_bmep581020_firmware
7 Schneider-electric modicon_m580_bmep584020_firmware
8 Schneider-electric modicon_m580_bmep583040_firmware
9 Schneider-electric modicon_m580_bmep583020_firmware
10 Schneider-electric ecostruxure_control_expert
11 Schneider-electric modicon_m580_bmep582040s_firmware
12 Schneider-electric ecostruxure_process_expert
13 Schneider-electric remoteconnect
14 Schneider-electric modicon_m580_bmep581020h_firmware
15 Schneider-electric modicon_m580_bmep582020h_firmware
16 Schneider-electric modicon_m580_bmep582040h_firmware
17 Schneider-electric modicon_m580_bmep584040s_firmware
18 Schneider-electric modicon_m580_bmep585040c_firmware
19 Schneider-electric modicon_m580_bmep586040c_firmware
20 Schneider-electric modicon_m580_bmeh582040_firmware
21 Schneider-electric modicon_m580_bmeh582040c_firmware
22 Schneider-electric modicon_m580_bmeh582040s_firmware
23 Schneider-electric modicon_m580_bmeh584040_firmware
24 Schneider-electric modicon_m580_bmeh584040c_firmware
25 Schneider-electric modicon_m580_bmeh584040s_firmware
26 Schneider-electric modicon_m580_bmeh586040_firmware
27 Schneider-electric modicon_m580_bmeh586040c_firmware
28 Schneider-electric modicon_m580_bmeh586040s_firmware
29 Schneider-electric modicon_m340_bmxp341000_firmware
30 Schneider-electric modicon_m340_bmxp342010_firmware
31 Schneider-electric modicon_m340_bmxp342020_firmware
32 Schneider-electric modicon_m340_bmxp342030_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-2021-22779.

URL Resource
http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-194-01 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).

MSc Thesis in industry - NinjaCrane : a Cybersecurity Attack Demonstrator on a polar crane's Industrial Control System (ICS)

badusb badusb-payloads ics-security modbus-protocol modbus-tcp umas ninjacrane edf epfl mitm-attacks hexhive ninja-cable

HTML Roff Python C++ PowerShell Makefile TeX Jupyter Notebook C

Updated: 3 days, 12 hours ago
1 stars 0 fork 0 watcher
Born at : Aug. 7, 2023, 12:28 p.m. This repo has been linked 1 different CVEs too.

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

The following list is the news that have been mention CVE-2021-22779 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-22779 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
  • Initial Analysis by [email protected]

    Jul. 26, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
    Changed Reference Type http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-194-01 No Types Assigned http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-194-01 Vendor Advisory
    Added CPE Configuration OR *cpe:2.3:a:schneider-electric:ecostruxure_control_expert:*:*:*:*:*:*:*:* versions up to (excluding) 15.0 *cpe:2.3:a:schneider-electric:ecostruxure_control_expert:15.0:-:*:*:*:*:*:* *cpe:2.3:a:schneider-electric:ecostruxure_control_expert:15.0:sp1:*:*:*:*:*:* *cpe:2.3:a:schneider-electric:ecostruxure_process_expert:*:*:*:*:*:*:*:* *cpe:2.3:a:schneider-electric:remoteconnect:*:*:*:*:*:*:scadapack_x70:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m580_bmep581020_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m580_bmep581020:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m580_bmep581020h_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m580_bmep581020h:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m580_bmep582020_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m580_bmep582020:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m580_bmep582020h_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m580_bmep582020h:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m580_bmep582040_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m580_bmep582040:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m580_bmep582040h_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m580_bmep582040h:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m580_bmep582040s_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m580_bmep582040s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m580_bmep583020_firmware:*:*:*:*:*:*:*:* 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:*:*:*:*:*:*:*:* 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:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m580_bmep584020:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m580_bmep584040_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m580_bmep584040:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m580_bmep584040s_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m580_bmep584040s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m580_bmep585040_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m580_bmep585040:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m580_bmep585040c_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m580_bmep585040c:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m580_bmep586040_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m580_bmep586040:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m580_bmep586040c_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m580_bmep586040c:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m580_bmeh582040_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m580_bmeh582040:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m580_bmeh582040c_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m580_bmeh582040c:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m580_bmeh582040s_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m580_bmeh582040s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m580_bmeh584040_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m580_bmeh584040:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m580_bmeh584040c_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m580_bmeh584040c:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m580_bmeh584040s_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m580_bmeh584040s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m580_bmeh586040_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m580_bmeh586040:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m580_bmeh586040c_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m580_bmeh586040c:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m580_bmeh586040s_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m580_bmeh586040s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m340_bmxp341000_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m340_bmxp341000:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m340_bmxp342010_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m340_bmxp342010:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m340_bmxp342020_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m340_bmxp342020:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m340_bmxp342030_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m340_bmxp342030:-:*:*:*:*:*:*:*
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.
Exploit Prediction

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

0.16 }} 0.02%

score

0.52330

percentile

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