CVE-2020-5657

CVSS V2 Low 3.3 CVSS V3 Medium 6.5
Description
Improper neutralization of argument delimiters in a command ('Argument Injection') 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 unauthenticated attackers on adjacent network to stop the network functions of the products via a specially crafted packet.
Overview
  • CVE ID
  • CVE-2020-5657
  • Assigner
  • vultures@jpcert.or.jp
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-11-02T21:15:34
  • Last Modified Date
  • 2020-11-10T14:22:51
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:mitsubishielectric:melsec_iq-rj71eip91_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_iq-rj71eip91:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_iq-rj71pn92_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_iq-rj71pn92:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_iq-rd81dl96_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_iq-rd81dl96:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_iq-rd81mes96n_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_iq-rd81mes96n:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:mitsubishielectric:melsec_iq-rd81opc96_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mitsubishielectric:melsec_iq-rd81opc96:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:A/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • ADJACENT_NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 3.3
  • Severity
  • LOW
  • Exploitability Score
  • 6.5
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • ADJACENT_NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 6.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.8
  • Impact Score
  • 3.6
History
Created Old Value New Value Data Type Notes
2022-05-10 16:20:42 Added to TrackCVE
2022-12-05 15:59:39 2020-11-02T21:15Z 2020-11-02T21:15:34 CVE Published Date updated
2022-12-05 15:59:39 2020-11-10T14:22:51 CVE Modified Date updated
2022-12-05 15:59:39 Analyzed Vulnerability Status updated