CVE-2021-22786

Published: Feb 1, 2023Modified: Jun 17, 2026

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

A CWE-200: Information Exposure vulnerability exists that could cause the exposure of sensitive information stored on the memory of the controller when communicating over the Modbus TCP protocol. Affected Products: Modicon M340 CPU (part numbers BMXP34*) (Versions prior to V3.30), Modicon M580 CPU (part numbers BMEP* and BMEH*) (Versions prior to SV3.20), Modicon MC80 (BMKC80) (Versions prior to V1.6), Modicon M580 CPU Safety (part numbers BMEP58*S and BMEH58*S) (All Versions), Modicon Momentum MDI (171CBU*) (Versions prior to V2.3), Legacy Modicon Quantum (All Versions)

Affected (41)

Schneider Electric

41 products

Modicon M340 Bmxp341000 Firmware

Modicon M340 Bmxp342000 Firmware

Modicon M340 Bmxp342010 Firmware

Modicon M340 Bmxp3420102 Firmware

Modicon M340 Bmxp342020 Firmware

Modicon M340 Bmxp342020h Firmware

Modicon M340 Bmxp342030 Firmware

Modicon M340 Bmxp3420302 Firmware

Modicon M340 Bmxp3420302h Firmware

Modicon M340 Bmxp342030h Firmware

Modicon M580 Bmeh582040 Firmware

Modicon M580 Bmeh582040c Firmware

Modicon M580 Bmeh582040s Firmware

Modicon M580 Bmeh584040 Firmware

Modicon M580 Bmeh584040c Firmware

Modicon M580 Bmeh584040s Firmware

Modicon M580 Bmeh586040 Firmware

Modicon M580 Bmeh586040c Firmware

Modicon M580 Bmeh586040s Firmware

Modicon M580 Bmep581020 Firmware

Modicon M580 Bmep581020h Firmware

Modicon M580 Bmep582020 Firmware

Modicon M580 Bmep582020h Firmware

Modicon M580 Bmep582040 Firmware

Modicon M580 Bmep582040h Firmware

Modicon M580 Bmep582040s Firmware

Modicon M580 Bmep583020 Firmware

Modicon M580 Bmep583040 Firmware

Modicon M580 Bmep584020 Firmware

Modicon M580 Bmep584040 Firmware

Modicon M580 Bmep584040s Firmware

Modicon M580 Bmep585040 Firmware

Modicon M580 Bmep585040c Firmware

Modicon M580 Bmep586040 Firmware

Modicon M580 Bmep586040c Firmware

Modicon Momentum 171cbu78090 Firmware

Modicon Momentum 171cbu98090 Firmware

Modicon Momentum 171cbu98091 Firmware

Modicon Mc80 Bmkc8020301 Firmware

Modicon Mc80 Bmkc8020310 Firmware

Modicon Mc80 Bmkc8030311 Firmware

Configuration A

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon M340 Bmxp341000 Firmware	Before 3.40

Running on/with	Platform Versions
Schneider Electric Modicon M340 Bmxp341000	All versions

Configuration B

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon M340 Bmxp342000 Firmware	Before 3.40

Running on/with	Platform Versions
Schneider Electric Modicon M340 Bmxp342000	All versions

Configuration C

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon M340 Bmxp342010 Firmware	Before 3.40

Running on/with	Platform Versions
Schneider Electric Modicon M340 Bmxp342010	All versions

Configuration D

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon M340 Bmxp3420102 Firmware	Before 3.40

Running on/with	Platform Versions
Schneider Electric Modicon M340 Bmxp3420102	All versions

Configuration E

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon M340 Bmxp342020 Firmware	Before 3.40

Running on/with	Platform Versions
Schneider Electric Modicon M340 Bmxp342020	All versions

Configuration F

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon M340 Bmxp342020h Firmware	Before 3.40

Running on/with	Platform Versions
Schneider Electric Modicon M340 Bmxp342020h	All versions

Configuration G

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon M340 Bmxp342030 Firmware	Before 3.40

Running on/with	Platform Versions
Schneider Electric Modicon M340 Bmxp342030	All versions

Configuration H

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon M340 Bmxp3420302 Firmware	Before 3.40

Running on/with	Platform Versions
Schneider Electric Modicon M340 Bmxp3420302	All versions

Configuration I

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon M340 Bmxp3420302h Firmware	Before 3.40

Running on/with	Platform Versions
Schneider Electric Modicon M340 Bmxp3420302h	All versions

Configuration J

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon M340 Bmxp342030h Firmware	Before 3.40

Running on/with	Platform Versions
Schneider Electric Modicon M340 Bmxp342030h	All versions

Configuration K

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon M580 Bmeh582040 Firmware	Up to 3.20

Running on/with	Platform Versions
Schneider Electric Modicon M580 Bmeh582040	All versions

Configuration L

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon M580 Bmeh582040c Firmware	Up to 3.20

Running on/with	Platform Versions
Schneider Electric Modicon M580 Bmeh582040c	All versions

Configuration M

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon M580 Bmeh582040s Firmware	Up to 3.20

Running on/with	Platform Versions
Schneider Electric Modicon M580 Bmeh582040s	All versions

Configuration N

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon M580 Bmeh584040 Firmware	Up to 3.20

Running on/with	Platform Versions
Schneider Electric Modicon M580 Bmeh584040	All versions

Configuration O

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon M580 Bmeh584040c Firmware	Up to 3.20

Running on/with	Platform Versions
Schneider Electric Modicon M580 Bmeh584040c	All versions

Configuration P

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon M580 Bmeh584040s Firmware	Up to 3.20

Running on/with	Platform Versions
Schneider Electric Modicon M580 Bmeh584040s	All versions

Configuration Q

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon M580 Bmeh586040 Firmware	Up to 3.20

Running on/with	Platform Versions
Schneider Electric Modicon M580 Bmeh586040	All versions

Configuration R

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon M580 Bmeh586040c Firmware	Up to 3.20

Running on/with	Platform Versions
Schneider Electric Modicon M580 Bmeh586040c	All versions

Configuration S

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon M580 Bmeh586040s Firmware	Up to 3.20

Running on/with	Platform Versions
Schneider Electric Modicon M580 Bmeh586040s	All versions

Configuration T

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon M580 Bmep581020 Firmware	Up to 3.20

Running on/with	Platform Versions
Schneider Electric Modicon M580 Bmep581020	All versions

Configuration U

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon M580 Bmep581020h Firmware	Up to 3.20

Running on/with	Platform Versions
Schneider Electric Modicon M580 Bmep581020h	All versions

Configuration V

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon M580 Bmep582020 Firmware	Up to 3.20

Running on/with	Platform Versions
Schneider Electric Modicon M580 Bmep582020	All versions

Configuration W

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon M580 Bmep582020h Firmware	Up to 3.20

Running on/with	Platform Versions
Schneider Electric Modicon M580 Bmep582020h	All versions

Configuration X

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon M580 Bmep582040 Firmware	Up to 3.20

Running on/with	Platform Versions
Schneider Electric Modicon M580 Bmep582040	All versions

Configuration Y

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon M580 Bmep582040h Firmware	Up to 3.20

Running on/with	Platform Versions
Schneider Electric Modicon M580 Bmep582040h	All versions

Configuration Z

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon M580 Bmep582040s Firmware	Up to 3.20

Running on/with	Platform Versions
Schneider Electric Modicon M580 Bmep582040s	All versions

Configuration A

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon M580 Bmep583020 Firmware	Up to 3.20

Running on/with	Platform Versions
Schneider Electric Modicon M580 Bmep583020	All versions

Configuration B

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon M580 Bmep583040 Firmware	Up to 3.20

Running on/with	Platform Versions
Schneider Electric Modicon M580 Bmep583040	All versions

Configuration C

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon M580 Bmep584020 Firmware	Up to 3.20

Running on/with	Platform Versions
Schneider Electric Modicon M580 Bmep584020	All versions

Configuration D

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon M580 Bmep584040 Firmware	Up to 3.20

Running on/with	Platform Versions
Schneider Electric Modicon M580 Bmep584040	All versions

Configuration E

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon M580 Bmep584040s Firmware	Up to 3.20

Running on/with	Platform Versions
Schneider Electric Modicon M580 Bmep584040s	All versions

Configuration F

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon M580 Bmep585040 Firmware	Up to 3.20

Running on/with	Platform Versions
Schneider Electric Modicon M580 Bmep585040	All versions

Configuration G

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon M580 Bmep585040c Firmware	Up to 3.20

Running on/with	Platform Versions
Schneider Electric Modicon M580 Bmep585040c	All versions

Configuration H

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon M580 Bmep586040 Firmware	Up to 3.20

Running on/with	Platform Versions
Schneider Electric Modicon M580 Bmep586040	All versions

Configuration I

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon M580 Bmep586040c Firmware	Up to 3.20

Running on/with	Platform Versions
Schneider Electric Modicon M580 Bmep586040c	All versions

Configuration J

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon Momentum 171cbu78090 Firmware	Before 2.4

Running on/with	Platform Versions
Schneider Electric Modicon Momentum 171cbu78090	All versions

Configuration K

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon Momentum 171cbu98090 Firmware	Before 2.4

Running on/with	Platform Versions
Schneider Electric Modicon Momentum 171cbu98090	All versions

Configuration L

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon Momentum 171cbu98091 Firmware	Before 2.4

Running on/with	Platform Versions
Schneider Electric Modicon Momentum 171cbu98091	All versions

Configuration M

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon Mc80 Bmkc8020301 Firmware	Before 1.70

Running on/with	Platform Versions
Schneider Electric Modicon Mc80 Bmkc8020301	All versions

Configuration N

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon Mc80 Bmkc8020310 Firmware	Before 1.70

Running on/with	Platform Versions
Schneider Electric Modicon Mc80 Bmkc8020310	All versions

Configuration O

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Schneider Electric Modicon Mc80 Bmkc8030311 Firmware	Before 1.70

Running on/with	Platform Versions
Schneider Electric Modicon Mc80 Bmkc8030311	All versions

Related CWEs

CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

References (2)

https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-221-04&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2022-221-04-Modicon_Controllers_Ethernet_Modules_Security_Notification.pdf

Source: cybersecurity@se.com

PatchVendor Advisory

Source: af854a3a-2127-422b-91ae-364da2661108

PatchVendor Advisory

Timeline

No history available yet.