JpcertCVE-2020-5656CVE-2020-5656
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
76.3%
Improper access control vulnerability in TCP/IP function included in the firmware of MELSEC iQ-R series (RJ71EIP91 EtherNet/IP Network Interface Module First 2 digits of serial number are ‘02’ or before, RJ71PN92 PROFINET IO Controller Module First 2 digits of serial number are ‘01’ or before, RD81DL96 High Speed Data Logger Module First 2 digits of serial number are ‘08’ or before, RD81MES96N MES Interface Module First 2 digits of serial number are ‘04’ or before, and RD81OPC96 OPC UA Server Module First 2 digits of serial number are ‘04’ or before) allows a remote unauthenticated attacker to stop the network functions of the products or execute a malicious program via a specially crafted packet.
Affected configurations
| Vendor | Product | Version | CPE |
|---|---|---|---|
| mitsubishielectric | melsec_iq-rj71eip91_firmware | - | cpe:2.3:o:mitsubishielectric:melsec_iq-rj71eip91_firmware:-:*:*:*:*:*:*:* |
| mitsubishielectric | melsec_iq-rj71eip91 | - | cpe:2.3:h:mitsubishielectric:melsec_iq-rj71eip91:-:*:*:*:*:*:*:* |
| mitsubishielectric | melsec_iq-rj71pn92_firmware | - | cpe:2.3:o:mitsubishielectric:melsec_iq-rj71pn92_firmware:-:*:*:*:*:*:*:* |
| mitsubishielectric | melsec_iq-rj71pn92 | - | cpe:2.3:h:mitsubishielectric:melsec_iq-rj71pn92:-:*:*:*:*:*:*:* |
| mitsubishielectric | melsec_iq-rd81dl96_firmware | - | cpe:2.3:o:mitsubishielectric:melsec_iq-rd81dl96_firmware:-:*:*:*:*:*:*:* |
| mitsubishielectric | melsec_iq-rd81dl96 | - | cpe:2.3:h:mitsubishielectric:melsec_iq-rd81dl96:-:*:*:*:*:*:*:* |
| mitsubishielectric | melsec_iq-rd81mes96n_firmware | - | cpe:2.3:o:mitsubishielectric:melsec_iq-rd81mes96n_firmware:-:*:*:*:*:*:*:* |
| mitsubishielectric | melsec_iq-rd81mes96n | - | cpe:2.3:h:mitsubishielectric:melsec_iq-rd81mes96n:-:*:*:*:*:*:*:* |
| mitsubishielectric | melsec_iq-rd81opc96_firmware | - | cpe:2.3:o:mitsubishielectric:melsec_iq-rd81opc96_firmware:-:*:*:*:*:*:*:* |
| mitsubishielectric | melsec_iq-rd81opc96 | - | cpe:2.3:h:mitsubishielectric:melsec_iq-rd81opc96:-:*:*:*:*:*:*:* |
CNA Affected
[
{
"product": "MELSEC iQ-R series",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "RJ71EIP91 EtherNet/IP Network Interface Module First 2 digits of serial number are '02' or before, RJ71PN92 PROFINET IO Controller Module First 2 digits of serial number are '01' or before, RD81DL96 High Speed Data Logger Module First 2 digits of serial number are '08' or before, RD81MES96N MES Interface Module First 2 digits of serial number are '04' or before, and RD81OPC96 OPC UA Server Module First 2 digits of serial number are '04' or before"
}
]
}
]Related
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
76.3%