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IcscertCVE-2021-32978

HistoryApr 04, 2022 - 8:15 p.m.

CVE-2021-32978

2022-04-0420:15:08

CWE-256

CWE-522

icscert

web.nvd.nist.gov

cve-2021-32978

automation direct

click plc

cpu modules

firmware

security

vulnerability

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

AI Score

7.5

Confidence

High

EPSS

0.001

Percentile

50.5%

JSON

The programming protocol allows for a previously entered password and lock state to be read by an attacker. If the previously entered password was successful, the attacker can then use the password to unlock Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with firmware prior to v3.00.

Affected configurations

Nvd

Node

automationdirectc0-10dd1e-d_firmwareRange<3.00

AND

automationdirectc0-10dd1e-dMatch-

Node

automationdirectc0-10dd2e-d_firmwareRange<3.00

AND

automationdirectc0-10dd2e-dMatch-

Node

automationdirectc0-10dre-d_firmwareRange<3.00

AND

automationdirectc0-10dre-dMatch-

Node

automationdirectc0-10are-d_firmwareRange<3.00

AND

automationdirectc0-10are-dMatch-

Node

automationdirectc0-11dd1e-d_firmwareRange<3.00

AND

automationdirectc0-11dd1e-dMatch-

Node

automationdirectc0-11dd2e-d_firmwareRange<3.00

AND

automationdirectc0-11dd2e-dMatch-

Node

automationdirectc0-11dre-d_firmwareRange<3.00

AND

automationdirectc0-11dre-dMatch-

Node

automationdirectc0-11are-d_firmwareRange<3.00

AND

automationdirectc0-11are-dMatch-

Node

automationdirectc0-12dd1e-d_firmwareRange<3.00

AND

automationdirectc0-12dd1e-dMatch-

Node

automationdirectc0-12dd2e-d_firmwareRange<3.00

AND

automationdirectc0-12dd2e-dMatch-

Node

automationdirectc0-12dre-d_firmwareRange<3.00

AND

automationdirectc0-12dre-dMatch-

Node

automationdirectc0-12are-d_firmwareRange<3.00

AND

automationdirectc0-12are-dMatch-

Node

automationdirectc0-12dd1e-1-d_firmwareRange<3.00

AND

automationdirectc0-12dd1e-1-dMatch-

Node

automationdirectc0-12dd2e-1-d_firmwareRange<3.00

AND

automationdirectc0-12dd2e-1-dMatch-

Node

automationdirectc0-12dre-1-d_firmwareRange<3.00

AND

automationdirectc0-12dre-1-dMatch-

Node

automationdirectc0-12are-1-d_firmwareRange<3.00

AND

automationdirectc0-12are-1-dMatch-

Node

automationdirectc0-12dd1e-2-d_firmwareRange<3.00

AND

automationdirectc0-12dd1e-2-dMatch-

Node

automationdirectc0-12dd2e-2-d_firmwareRange<3.00

AND

automationdirectc0-12dd2e-2-dMatch-

Node

automationdirectc0-12dre-2-d_firmwareRange<3.00

AND

automationdirectc0-12dre-2-dMatch-

Node

automationdirectc0-12are-2-d_firmwareRange<3.00

AND

automationdirectc0-12are-2-dMatch-

VendorProductVersionCPE
automationdirectc0-10dd1e-d_firmware*cpe:2.3:o:automationdirect:c0-10dd1e-d_firmware:*:*:*:*:*:*:*:*
automationdirectc0-10dd1e-d-cpe:2.3:h:automationdirect:c0-10dd1e-d:-:*:*:*:*:*:*:*
automationdirectc0-10dd2e-d_firmware*cpe:2.3:o:automationdirect:c0-10dd2e-d_firmware:*:*:*:*:*:*:*:*
automationdirectc0-10dd2e-d-cpe:2.3:h:automationdirect:c0-10dd2e-d:-:*:*:*:*:*:*:*
automationdirectc0-10dre-d_firmware*cpe:2.3:o:automationdirect:c0-10dre-d_firmware:*:*:*:*:*:*:*:*
automationdirectc0-10dre-d-cpe:2.3:h:automationdirect:c0-10dre-d:-:*:*:*:*:*:*:*
automationdirectc0-10are-d_firmware*cpe:2.3:o:automationdirect:c0-10are-d_firmware:*:*:*:*:*:*:*:*
automationdirectc0-10are-d-cpe:2.3:h:automationdirect:c0-10are-d:-:*:*:*:*:*:*:*
automationdirectc0-11dd1e-d_firmware*cpe:2.3:o:automationdirect:c0-11dd1e-d_firmware:*:*:*:*:*:*:*:*
automationdirectc0-11dd1e-d-cpe:2.3:h:automationdirect:c0-11dd1e-d:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
automationdirect	c0-10dd1e-d_firmware	*	cpe:2.3:o:automationdirect:c0-10dd1e-d_firmware::::::::
automationdirect	c0-10dd1e-d	-	cpe:2.3:h:automationdirect:c0-10dd1e-d:-:::::::*
automationdirect	c0-10dd2e-d_firmware	*	cpe:2.3:o:automationdirect:c0-10dd2e-d_firmware::::::::
automationdirect	c0-10dd2e-d	-	cpe:2.3:h:automationdirect:c0-10dd2e-d:-:::::::*
automationdirect	c0-10dre-d_firmware	*	cpe:2.3:o:automationdirect:c0-10dre-d_firmware::::::::
automationdirect	c0-10dre-d	-	cpe:2.3:h:automationdirect:c0-10dre-d:-:::::::*
automationdirect	c0-10are-d_firmware	*	cpe:2.3:o:automationdirect:c0-10are-d_firmware::::::::
automationdirect	c0-10are-d	-	cpe:2.3:h:automationdirect:c0-10are-d:-:::::::*
automationdirect	c0-11dd1e-d_firmware	*	cpe:2.3:o:automationdirect:c0-11dd1e-d_firmware::::::::
automationdirect	c0-11dd1e-d	-	cpe:2.3:h:automationdirect:c0-11dd1e-d:-:::::::*

Rows per page:

1-10 of 401

CNA Affected

[
  {
    "product": "CLICK PLC CPU Modules: C0-1x CPUs",
    "vendor": "Automation Direct",
    "versions": [
      {
        "lessThan": "3.00",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

www.cisa.gov/uscert/ics/advisories/icsa-21-166-02

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

AI Score

7.5

Confidence

High

EPSS

0.001

Percentile

50.5%

JSON

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