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    Dashboard / CVE / CVE-2021-22786

    CVE-2021-22786

    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:Feb 1, 2023
    Last Modified:Feb 5, 2025
    EPS:Feb 1, 2023
    EPSS Score:0.00175
    CVSS Score:7.5

    Affected Products

    Vendor
    Schneider-electric
    Product
    Modicon M340 Bmxp341000
    Vendor
    Schneider-electric
    Product
    Modicon M340 Bmxp341000 Firmware
    Vendor
    Schneider-electric
    Product
    Modicon M340 Bmxp342000
    Vendor
    Schneider-electric
    Product
    Modicon M340 Bmxp342000 Firmware
    Vendor
    Schneider-electric
    Product
    Modicon M340 Bmxp342010
    Vendor
    Schneider-electric
    Product
    Modicon M340 Bmxp3420102
    Vendor
    Schneider-electric
    Product
    Modicon M340 Bmxp3420102 Firmware
    Vendor
    Schneider-electric
    Product
    Modicon M340 Bmxp342010 Firmware
    Vendor
    Schneider-electric
    Product
    Modicon M340 Bmxp342020
    Vendor
    Schneider-electric
    Product
    Modicon M340 Bmxp342020 Firmware
    Vendor
    Schneider-electric
    Product
    Modicon M340 Bmxp342020h
    Vendor
    Schneider-electric
    Product
    Modicon M340 Bmxp342020h Firmware
    Vendor
    Schneider-electric
    Product
    Modicon M340 Bmxp342030
    Vendor
    Schneider-electric
    Product
    Modicon M340 Bmxp3420302
    Vendor
    Schneider-electric
    Product
    Modicon M340 Bmxp3420302 Firmware
    Vendor
    Schneider-electric
    Product
    Modicon M340 Bmxp3420302h
    Vendor
    Schneider-electric
    Product
    Modicon M340 Bmxp3420302h Firmware
    Vendor
    Schneider-electric
    Product
    Modicon M340 Bmxp342030 Firmware
    Vendor
    Schneider-electric
    Product
    Modicon M340 Bmxp342030h
    Vendor
    Schneider-electric
    Product
    Modicon M340 Bmxp342030h Firmware
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmeh582040
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmeh582040 Firmware
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmeh582040c
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmeh582040c Firmware
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmeh582040s
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmeh582040s Firmware
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmeh584040
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmeh584040 Firmware
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmeh584040c
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmeh584040c Firmware
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmeh584040s
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmeh584040s Firmware
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmeh586040
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmeh586040 Firmware
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmeh586040c
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmeh586040c Firmware
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmeh586040s
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmeh586040s Firmware
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmep581020
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmep581020 Firmware
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmep581020h
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmep581020h Firmware
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmep582020
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmep582020 Firmware
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmep582020h
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmep582020h Firmware
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmep582040
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmep582040 Firmware
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmep582040h
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmep582040h Firmware
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmep582040s
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmep582040s Firmware
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmep583020
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmep583020 Firmware
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmep583040
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmep583040 Firmware
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmep584020
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmep584020 Firmware
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmep584040
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmep584040 Firmware
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmep584040s
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmep584040s Firmware
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmep585040
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmep585040 Firmware
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmep585040c
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmep585040c Firmware
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmep586040
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmep586040 Firmware
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmep586040c
    Vendor
    Schneider-electric
    Product
    Modicon M580 Bmep586040c Firmware
    Vendor
    Schneider-electric
    Product
    Modicon Mc80 Bmkc8020301
    Vendor
    Schneider-electric
    Product
    Modicon Mc80 Bmkc8020301 Firmware
    Vendor
    Schneider-electric
    Product
    Modicon Mc80 Bmkc8020310
    Vendor
    Schneider-electric
    Product
    Modicon Mc80 Bmkc8020310 Firmware
    Vendor
    Schneider-electric
    Product
    Modicon Mc80 Bmkc8030311
    Vendor
    Schneider-electric
    Product
    Modicon Mc80 Bmkc8030311 Firmware
    Vendor
    Schneider-electric
    Product
    Modicon Momentum 171cbu78090
    Vendor
    Schneider-electric
    Product
    Modicon Momentum 171cbu78090 Firmware
    Vendor
    Schneider-electric
    Product
    Modicon Momentum 171cbu98090
    Vendor
    Schneider-electric
    Product
    Modicon Momentum 171cbu98090 Firmware
    Vendor
    Schneider-electric
    Product
    Modicon Momentum 171cbu98091
    Vendor
    Schneider-electric
    Product
    Modicon Momentum 171cbu98091 Firmware

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-116 Excavation
    CAPEC-13 Subverting Environment Variable Values
    CAPEC-169 Footprinting
    CAPEC-22 Exploiting Trust in Client
    CAPEC-224 Fingerprinting
    CAPEC-285 ICMP Echo Request Ping
    CAPEC-287 TCP SYN Scan
    CAPEC-290 Enumerate Mail Exchange (MX) Records
    CAPEC-291 DNS Zone Transfers
    CAPEC-292 Host Discovery
    CAPEC-293 Traceroute Route Enumeration
    CAPEC-294 ICMP Address Mask Request
    CAPEC-295 Timestamp Request
    CAPEC-296 ICMP Information Request
    CAPEC-297 TCP ACK Ping
    CAPEC-298 UDP Ping
    CAPEC-299 TCP SYN Ping
    CAPEC-300 Port Scanning
    CAPEC-301 TCP Connect Scan
    CAPEC-302 TCP FIN Scan
    CAPEC-303 TCP Xmas Scan
    CAPEC-304 TCP Null Scan
    CAPEC-305 TCP ACK Scan
    CAPEC-306 TCP Window Scan
    CAPEC-307 TCP RPC Scan
    CAPEC-308 UDP Scan
    CAPEC-309 Network Topology Mapping
    CAPEC-310 Scanning for Vulnerable Software
    CAPEC-312 Active OS Fingerprinting
    CAPEC-313 Passive OS Fingerprinting
    CAPEC-317 IP ID Sequencing Probe
    CAPEC-318 IP 'ID' Echoed Byte-Order Probe
    CAPEC-319 IP (DF) 'Don't Fragment Bit' Echoing Probe
    CAPEC-320 TCP Timestamp Probe
    CAPEC-321 TCP Sequence Number Probe
    CAPEC-322 TCP (ISN) Greatest Common Divisor Probe
    CAPEC-323 TCP (ISN) Counter Rate Probe
    CAPEC-324 TCP (ISN) Sequence Predictability Probe
    CAPEC-325 TCP Congestion Control Flag (ECN) Probe
    CAPEC-326 TCP Initial Window Size Probe
    CAPEC-327 TCP Options Probe
    CAPEC-328 TCP 'RST' Flag Checksum Probe
    CAPEC-329 ICMP Error Message Quoting Probe
    CAPEC-330 ICMP Error Message Echoing Integrity Probe
    CAPEC-472 Browser Fingerprinting
    CAPEC-497 File Discovery
    CAPEC-508 Shoulder Surfing
    CAPEC-573 Process Footprinting
    CAPEC-574 Services Footprinting
    CAPEC-575 Account Footprinting
    CAPEC-576 Group Permission Footprinting
    CAPEC-577 Owner Footprinting
    CAPEC-59 Session Credential Falsification through Prediction
    CAPEC-60 Reusing Session IDs (aka Session Replay)
    CAPEC-616 Establish Rogue Location
    CAPEC-643 Identify Shared Files/Directories on System
    CAPEC-646 Peripheral Footprinting
    CAPEC-651 Eavesdropping
    CAPEC-79 Using Slashes in Alternate Encoding

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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High