CVE-2020-5666
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:N/I:N/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
83.0%
Uncontrolled resource consumption vulnerability in MELSEC iQ-R Series CPU Modules (R00/01/02CPU Firmware versions from ‘05’ to ‘19’ and R04/08/16/32/120(EN)CPU Firmware versions from ‘35’ to ‘51’) allows a remote attacker to cause an error in a CPU unit via a specially crafted HTTP packet, which may lead to a denial-of-service (DoS) condition in execution of the program and its communication.
Affected configurations
| Vendor | Product | Version | CPE |
|---|---|---|---|
| mitsubishielectric | melsec_iq-r00_firmware | * | cpe:2.3:o:mitsubishielectric:melsec_iq-r00_firmware:*:*:*:*:*:*:*:* |
| mitsubishielectric | melsec_iq-r00 | - | cpe:2.3:h:mitsubishielectric:melsec_iq-r00:-:*:*:*:*:*:*:* |
| mitsubishielectric | melsec_iq-r01_firmware | * | cpe:2.3:o:mitsubishielectric:melsec_iq-r01_firmware:*:*:*:*:*:*:*:* |
| mitsubishielectric | melsec_iq-r01 | - | cpe:2.3:h:mitsubishielectric:melsec_iq-r01:-:*:*:*:*:*:*:* |
| mitsubishielectric | melsec_iq-r02_firmware | * | cpe:2.3:o:mitsubishielectric:melsec_iq-r02_firmware:*:*:*:*:*:*:*:* |
| mitsubishielectric | melsec_iq-r02 | - | cpe:2.3:h:mitsubishielectric:melsec_iq-r02:-:*:*:*:*:*:*:* |
| mitsubishielectric | melsec_iq-r04_firmware | * | cpe:2.3:o:mitsubishielectric:melsec_iq-r04_firmware:*:*:*:*:*:*:*:* |
| mitsubishielectric | melsec_iq-r04 | - | cpe:2.3:h:mitsubishielectric:melsec_iq-r04:-:*:*:*:*:*:*:* |
| mitsubishielectric | melsec_iq-r16_firmware | * | cpe:2.3:o:mitsubishielectric:melsec_iq-r16_firmware:*:*:*:*:*:*:*:* |
| mitsubishielectric | melsec_iq-r16 | - | cpe:2.3:h:mitsubishielectric:melsec_iq-r16:-:*:*:*:*:*:*:* |
Related
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:N/I:N/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
83.0%