CVE-2021-22786 : A CWE-200: Information Exposure vulnerability exists that could cause the exposu

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)

Published 2023-02-01 04:15:09

Updated 2023-02-08 17:04:19

Source Schneider Electric SE

View at NVD, CVE.org

Vulnerability category: Information leak

Products affected by CVE-2021-22786

Schneider-electric » Modicon M580 Bmep581020 Firmware
Versions up to, including, (<=) 3.20
cpe:2.3:o:schneider-electric:modicon_m580_bmep581020_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Schneider-electric » Modicon M580 Bmep581020 » Version: N/A
Schneider-electric » Modicon M580 Bmep581020h Firmware
Versions up to, including, (<=) 3.20
cpe:2.3:o:schneider-electric:modicon_m580_bmep581020h_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Schneider-electric » Modicon M580 Bmep581020h » Version: N/A
Schneider-electric » Modicon M580 Bmep582020 Firmware
Versions up to, including, (<=) 3.20
cpe:2.3:o:schneider-electric:modicon_m580_bmep582020_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Schneider-electric » Modicon M580 Bmep582020 » Version: N/A
Schneider-electric » Modicon M580 Bmep582020h Firmware
Versions up to, including, (<=) 3.20
cpe:2.3:o:schneider-electric:modicon_m580_bmep582020h_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Schneider-electric » Modicon M580 Bmep582020h » Version: N/A
Schneider-electric » Modicon M580 Bmep582040 Firmware
Versions up to, including, (<=) 3.20
cpe:2.3:o:schneider-electric:modicon_m580_bmep582040_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Schneider-electric » Modicon M580 Bmep582040 » Version: N/A
Schneider-electric » Modicon M580 Bmep582040h Firmware
Versions up to, including, (<=) 3.20
cpe:2.3:o:schneider-electric:modicon_m580_bmep582040h_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Schneider-electric » Modicon M580 Bmep582040h » Version: N/A
Schneider-electric » Modicon M580 Bmep582040s Firmware
Versions up to, including, (<=) 3.20
cpe:2.3:o:schneider-electric:modicon_m580_bmep582040s_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Schneider-electric » Modicon M580 Bmep582040s » Version: N/A
Schneider-electric » Modicon M580 Bmep583020 Firmware
Versions up to, including, (<=) 3.20
cpe:2.3:o:schneider-electric:modicon_m580_bmep583020_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Schneider-electric » Modicon M580 Bmep583020 » Version: N/A
Schneider-electric » Modicon M580 Bmep583040 Firmware
Versions up to, including, (<=) 3.20
cpe:2.3:o:schneider-electric:modicon_m580_bmep583040_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Schneider-electric » Modicon M580 Bmep583040 » Version: N/A
Schneider-electric » Modicon M580 Bmep584020 Firmware
Versions up to, including, (<=) 3.20
cpe:2.3:o:schneider-electric:modicon_m580_bmep584020_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Schneider-electric » Modicon M580 Bmep584020 » Version: N/A
Schneider-electric » Modicon M580 Bmep584040 Firmware
Versions up to, including, (<=) 3.20
cpe:2.3:o:schneider-electric:modicon_m580_bmep584040_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Schneider-electric » Modicon M580 Bmep584040 » Version: N/A
Schneider-electric » Modicon M580 Bmep584040s Firmware
Versions up to, including, (<=) 3.20
cpe:2.3:o:schneider-electric:modicon_m580_bmep584040s_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Schneider-electric » Modicon M580 Bmep584040s » Version: N/A
Schneider-electric » Modicon M580 Bmep585040 Firmware
Versions up to, including, (<=) 3.20
cpe:2.3:o:schneider-electric:modicon_m580_bmep585040_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Schneider-electric » Modicon M580 Bmep585040 » Version: N/A
Schneider-electric » Modicon M580 Bmep585040c Firmware
Versions up to, including, (<=) 3.20
cpe:2.3:o:schneider-electric:modicon_m580_bmep585040c_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Schneider-electric » Modicon M580 Bmep585040c » Version: N/A
Schneider-electric » Modicon M580 Bmep586040 Firmware
Versions up to, including, (<=) 3.20
cpe:2.3:o:schneider-electric:modicon_m580_bmep586040_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Schneider-electric » Modicon M580 Bmep586040 » Version: N/A
Schneider-electric » Modicon M580 Bmep586040c Firmware
Versions up to, including, (<=) 3.20
cpe:2.3:o:schneider-electric:modicon_m580_bmep586040c_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Schneider-electric » Modicon M580 Bmep586040c » Version: N/A
Schneider-electric » Modicon M580 Bmeh582040 Firmware
Versions up to, including, (<=) 3.20
cpe:2.3:o:schneider-electric:modicon_m580_bmeh582040_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Schneider-electric » Modicon M580 Bmeh582040 » Version: N/A
Schneider-electric » Modicon M580 Bmeh582040c Firmware
Versions up to, including, (<=) 3.20
cpe:2.3:o:schneider-electric:modicon_m580_bmeh582040c_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Schneider-electric » Modicon M580 Bmeh582040c » Version: N/A
Schneider-electric » Modicon M580 Bmeh582040s Firmware
Versions up to, including, (<=) 3.20
cpe:2.3:o:schneider-electric:modicon_m580_bmeh582040s_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Schneider-electric » Modicon M580 Bmeh582040s » Version: N/A
Schneider-electric » Modicon M580 Bmeh584040 Firmware
Versions up to, including, (<=) 3.20
cpe:2.3:o:schneider-electric:modicon_m580_bmeh584040_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Schneider-electric » Modicon M580 Bmeh584040 » Version: N/A
Schneider-electric » Modicon M580 Bmeh584040c Firmware
Versions up to, including, (<=) 3.20
cpe:2.3:o:schneider-electric:modicon_m580_bmeh584040c_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Schneider-electric » Modicon M580 Bmeh584040c » Version: N/A
Schneider-electric » Modicon M580 Bmeh584040s Firmware
Versions up to, including, (<=) 3.20
cpe:2.3:o:schneider-electric:modicon_m580_bmeh584040s_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Schneider-electric » Modicon M580 Bmeh584040s » Version: N/A
Schneider-electric » Modicon M580 Bmeh586040 Firmware
Versions up to, including, (<=) 3.20
cpe:2.3:o:schneider-electric:modicon_m580_bmeh586040_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Schneider-electric » Modicon M580 Bmeh586040 » Version: N/A
Schneider-electric » Modicon M580 Bmeh586040c Firmware
Versions up to, including, (<=) 3.20
cpe:2.3:o:schneider-electric:modicon_m580_bmeh586040c_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Schneider-electric » Modicon M580 Bmeh586040c » Version: N/A
Schneider-electric » Modicon M580 Bmeh586040s Firmware
Versions up to, including, (<=) 3.20
cpe:2.3:o:schneider-electric:modicon_m580_bmeh586040s_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Schneider-electric » Modicon M580 Bmeh586040s » Version: N/A
Schneider-electric » Modicon M340 Bmxp341000 Firmware
Versions before (<) 3.40
cpe:2.3:o:schneider-electric:modicon_m340_bmxp341000_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Schneider-electric » Modicon M340 Bmxp341000 » Version: N/A
Schneider-electric » Modicon M340 Bmxp342010 Firmware
Versions before (<) 3.40
cpe:2.3:o:schneider-electric:modicon_m340_bmxp342010_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Schneider-electric » Modicon M340 Bmxp342010 » Version: N/A
Schneider-electric » Modicon M340 Bmxp342020 Firmware
Versions before (<) 3.40
cpe:2.3:o:schneider-electric:modicon_m340_bmxp342020_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Schneider-electric » Modicon M340 Bmxp342020 » Version: N/A
Schneider-electric » Modicon M340 Bmxp342030 Firmware
Versions before (<) 3.40
cpe:2.3:o:schneider-electric:modicon_m340_bmxp342030_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Schneider-electric » Modicon M340 Bmxp342030 » Version: N/A
Schneider-electric » Modicon M340 Bmxp3420302 Firmware
Versions before (<) 3.40
cpe:2.3:o:schneider-electric:modicon_m340_bmxp3420302_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Schneider-electric » Modicon M340 Bmxp3420302 » Version: N/A
Schneider-electric » Modicon M340 Bmxp342000 Firmware
Versions before (<) 3.40
cpe:2.3:o:schneider-electric:modicon_m340_bmxp342000_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Schneider-electric » Modicon M340 Bmxp342000 » Version: N/A
Schneider-electric » Modicon M340 Bmxp3420102 Firmware
Versions before (<) 3.40
cpe:2.3:o:schneider-electric:modicon_m340_bmxp3420102_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Schneider-electric » Modicon M340 Bmxp3420102 » Version: N/A
Schneider-electric » Modicon M340 Bmxp342020h Firmware
Versions before (<) 3.40
cpe:2.3:o:schneider-electric:modicon_m340_bmxp342020h_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Schneider-electric » Modicon M340 Bmxp342020h » Version: N/A
Schneider-electric » Modicon M340 Bmxp3420302h Firmware
Versions before (<) 3.40
cpe:2.3:o:schneider-electric:modicon_m340_bmxp3420302h_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Schneider-electric » Modicon M340 Bmxp3420302h » Version: N/A
Schneider-electric » Modicon M340 Bmxp342030h Firmware
Versions before (<) 3.40
cpe:2.3:o:schneider-electric:modicon_m340_bmxp342030h_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Schneider-electric » Modicon M340 Bmxp342030h » Version: N/A
Schneider-electric » Modicon Mc80 Bmkc8020301 Firmware
Versions before (<) 1.70
cpe:2.3:o:schneider-electric:modicon_mc80_bmkc8020301_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Schneider-electric » Modicon Mc80 Bmkc8020301 » Version: N/A
Schneider-electric » Modicon Mc80 Bmkc8020310 Firmware
Versions before (<) 1.70
cpe:2.3:o:schneider-electric:modicon_mc80_bmkc8020310_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Schneider-electric » Modicon Mc80 Bmkc8020310 » Version: N/A
Schneider-electric » Modicon Mc80 Bmkc8030311 Firmware
Versions before (<) 1.70
cpe:2.3:o:schneider-electric:modicon_mc80_bmkc8030311_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Schneider-electric » Modicon Mc80 Bmkc8030311 » Version: N/A
Schneider-electric » Modicon Momentum 171cbu78090 Firmware
Versions before (<) 2.4
cpe:2.3:o:schneider-electric:modicon_momentum_171cbu78090_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Schneider-electric » Modicon Momentum 171cbu78090 » Version: N/A
Schneider-electric » Modicon Momentum 171cbu98090 Firmware
Versions before (<) 2.4
cpe:2.3:o:schneider-electric:modicon_momentum_171cbu98090_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Schneider-electric » Modicon Momentum 171cbu98090 » Version: N/A
Schneider-electric » Modicon Momentum 171cbu98091 Firmware
Versions before (<) 2.4
cpe:2.3:o:schneider-electric:modicon_momentum_171cbu98091_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Schneider-electric » Modicon Momentum 171cbu98091 » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2021-22786

EPSS FAQ

0.18%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 36 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-22786

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	3.9	3.6	Schneider Electric SE
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None

CWE ids for CVE-2021-22786

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.

Assigned by: cybersecurity@se.com (Primary)

References for CVE-2021-22786

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

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Patch;Vendor Advisory

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Vulnerability Details : CVE-2021-22786

Products affected by CVE-2021-22786

Exploit prediction scoring system (EPSS) score for CVE-2021-22786

CVSS scores for CVE-2021-22786

CWE ids for CVE-2021-22786

References for CVE-2021-22786