CVE-2020-6988

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, A remote, unauthenticated attacker can send a request from the RSLogix 500 software to the victim’s MicroLogix controller. The controller will then respond to the client with used password values to authenticate the user on the client-side. This method of authentication may allow an attacker to bypass authentication altogether, disclose sensitive information, or leak credentials.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://www.us-cert.gov/ics/advisories/icsa-20-070-06	Third Party Advisory US Government Resource

Configurations

Configuration 1 (hide)

AND

OR	cpe:2.3:o:rockwellautomation:micrologix_1400_a_firmware::::::::
	cpe:2.3:o:rockwellautomation:micrologix_1400_b_firmware::::::::

cpe:2.3:h:rockwellautomation:micrologix_1400:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:rockwellautomation:micrologix_1100_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:rockwellautomation:micrologix_1100:-:*:*:*:*:*:*:*

Configuration 3 (hide)

cpe:2.3:a:rockwellautomation:rslogix_500:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2020-03-16 16:15

Updated : 2024-02-28 17:47

NVD link : CVE-2020-6988

Mitre link : CVE-2020-6988

CVE.ORG link : CVE-2020-6988

JSON object : View

Products Affected

rockwellautomation

micrologix_1100_firmware
micrologix_1400
micrologix_1400_a_firmware
micrologix_1400_b_firmware
rslogix_500
micrologix_1100

CWE

CWE-287

Improper Authentication

CWE-603

Use of Client-Side Authentication

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