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IcscertCVE-2020-6990

HistoryMar 16, 2020 - 4:15 p.m.

CVE-2020-6990

2020-03-1616:15:14

CWE-798

CWE-321

icscert

web.nvd.nist.gov

cve-2020-6990

rockwell automation

micrologix controllers

rslogix 500 software

cryptographic key

remote access

security vulnerability

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS3

9.8

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

9.2

Confidence

High

EPSS

0.024

Percentile

89.9%

JSON

Rockwell Automation MicroLogix 1400 Controllers Series B v21.001 and prior, Series A, all versions, MicroLogix 1100 Controller, all versions, RSLogix 500 Software v12.001 and prior, The cryptographic key utilized to help protect the account password is hard coded into the RSLogix 500 binary file. An attacker could identify cryptographic keys and use it for further cryptographic attacks that could ultimately lead to a remote attacker gaining unauthorized access to the controller.

Affected configurations

Nvd

Node

rockwellautomationmicrologix_1400_a_firmware

rockwellautomationmicrologix_1400_b_firmwareRange≤21.001

AND

rockwellautomationmicrologix_1400Match-

Node

rockwellautomationmicrologix_1100_firmware

AND

rockwellautomationmicrologix_1100Match-

Node

rockwellautomationrslogix_500Range≤12.001

VendorProductVersionCPE
rockwellautomationmicrologix_1400_a_firmware*cpe:2.3:o:rockwellautomation:micrologix_1400_a_firmware:*:*:*:*:*:*:*:*
rockwellautomationmicrologix_1400_b_firmware*cpe:2.3:o:rockwellautomation:micrologix_1400_b_firmware:*:*:*:*:*:*:*:*
rockwellautomationmicrologix_1400-cpe:2.3:h:rockwellautomation:micrologix_1400:-:*:*:*:*:*:*:*
rockwellautomationmicrologix_1100_firmware*cpe:2.3:o:rockwellautomation:micrologix_1100_firmware:*:*:*:*:*:*:*:*
rockwellautomationmicrologix_1100-cpe:2.3:h:rockwellautomation:micrologix_1100:-:*:*:*:*:*:*:*
rockwellautomationrslogix_500*cpe:2.3:a:rockwellautomation:rslogix_500:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
rockwellautomation	micrologix_1400_a_firmware	*	cpe:2.3:o:rockwellautomation:micrologix_1400_a_firmware::::::::
rockwellautomation	micrologix_1400_b_firmware	*	cpe:2.3:o:rockwellautomation:micrologix_1400_b_firmware::::::::
rockwellautomation	micrologix_1400	-	cpe:2.3:h:rockwellautomation:micrologix_1400:-:::::::*
rockwellautomation	micrologix_1100_firmware	*	cpe:2.3:o:rockwellautomation:micrologix_1100_firmware::::::::
rockwellautomation	micrologix_1100	-	cpe:2.3:h:rockwellautomation:micrologix_1100:-:::::::*
rockwellautomation	rslogix_500	*	cpe:2.3:a:rockwellautomation:rslogix_500::::::::

CNA Affected

[
  {
    "product": "Rockwell Automation MicroLogix 1400 Controllers Series B v21.001 and prior, Series A, all versions, MicroLogix 1100 Controller, all versions, RSLogix 500 Software v12.001 and prior",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Rockwell Automation MicroLogix 1400 Controllers Series B v21.001 and prior, Series A, all versions, MicroLogix 1100 Controller, all versions, RSLogix 500 Software v12.001 and prior"
      }
    ]
  }
]

References

www.us-cert.gov/ics/advisories/icsa-20-070-06

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS3

9.8

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

9.2

Confidence

High

EPSS

0.024

Percentile

89.9%

JSON

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