CVE-2021-32986

CVSS V2 High 7.5 CVSS V3 Critical 9.8
Description
After Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with firmware prior to v3.00 is unlocked by an authorized user, the unlocked state does not timeout. If the programming software is interrupted, the PLC remains unlocked. All subsequent programming connections are allowed without authorization. The PLC is only relocked by a power cycle, or when the programming software disconnects correctly.
Overview
  • CVE ID
  • CVE-2021-32986
  • Assigner
  • ics-cert@hq.dhs.gov
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-04-04T20:15:09
  • Last Modified Date
  • 2022-10-25T19:40:50
Weakness Enumerations
CWE URL
CWE-863 http://cwe.mitre.org/data/definitions/863.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:automationdirect:c0-10dd1e-d_firmware:*:*:*:*:*:*:*:* 1 OR 3.00
cpe:2.3:h:automationdirect:c0-10dd1e-d:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:automationdirect:c0-10dd2e-d_firmware:*:*:*:*:*:*:*:* 1 OR 3.00
cpe:2.3:h:automationdirect:c0-10dd2e-d:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:automationdirect:c0-10dre-d_firmware:*:*:*:*:*:*:*:* 1 OR 3.00
cpe:2.3:h:automationdirect:c0-10dre-d:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:automationdirect:c0-10are-d_firmware:*:*:*:*:*:*:*:* 1 OR 3.00
cpe:2.3:h:automationdirect:c0-10are-d:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:automationdirect:c0-11dd1e-d_firmware:*:*:*:*:*:*:*:* 1 OR 3.00
cpe:2.3:h:automationdirect:c0-11dd1e-d:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:automationdirect:c0-11dd2e-d_firmware:*:*:*:*:*:*:*:* 1 OR 3.00
cpe:2.3:h:automationdirect:c0-11dd2e-d:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:automationdirect:c0-11dre-d_firmware:*:*:*:*:*:*:*:* 1 OR 3.00
cpe:2.3:h:automationdirect:c0-11dre-d:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:automationdirect:c0-11are-d_firmware:*:*:*:*:*:*:*:* 1 OR 3.00
cpe:2.3:h:automationdirect:c0-11are-d:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:automationdirect:c0-12dd1e-d_firmware:*:*:*:*:*:*:*:* 1 OR 3.00
cpe:2.3:h:automationdirect:c0-12dd1e-d:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:automationdirect:c0-12dd2e-d_firmware:*:*:*:*:*:*:*:* 1 OR 3.00
cpe:2.3:h:automationdirect:c0-12dd2e-d:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:automationdirect:c0-12dre-d_firmware:*:*:*:*:*:*:*:* 1 OR 3.00
cpe:2.3:h:automationdirect:c0-12dre-d:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:automationdirect:c0-12are-d_firmware:*:*:*:*:*:*:*:* 1 OR 3.00
cpe:2.3:h:automationdirect:c0-12are-d:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:automationdirect:c0-12dd1e-1-d_firmware:*:*:*:*:*:*:*:* 1 OR 3.00
cpe:2.3:h:automationdirect:c0-12dd1e-1-d:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:automationdirect:c0-12dd2e-1-d_firmware:*:*:*:*:*:*:*:* 1 OR 3.00
cpe:2.3:h:automationdirect:c0-12dd2e-1-d:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:automationdirect:c0-12dre-1-d_firmware:*:*:*:*:*:*:*:* 1 OR 3.00
cpe:2.3:h:automationdirect:c0-12dre-1-d:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:automationdirect:c0-12are-1-d_firmware:*:*:*:*:*:*:*:* 1 OR 3.00
cpe:2.3:h:automationdirect:c0-12are-1-d:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:automationdirect:c0-12dd1e-2-d_firmware:*:*:*:*:*:*:*:* 1 OR 3.00
cpe:2.3:h:automationdirect:c0-12dd1e-2-d:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:automationdirect:c0-12dd2e-2-d_firmware:*:*:*:*:*:*:*:* 1 OR 3.00
cpe:2.3:h:automationdirect:c0-12dd2e-2-d:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:automationdirect:c0-12dre-2-d_firmware:*:*:*:*:*:*:*:* 1 OR 3.00
cpe:2.3:h:automationdirect:c0-12dre-2-d:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:automationdirect:c0-12are-2-d_firmware:*:*:*:*:*:*:*:* 1 OR 3.00
cpe:2.3:h:automationdirect:c0-12are-2-d:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 7.5
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 9.8
  • Base Severity
  • CRITICAL
  • Exploitability Score
  • 3.9
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://www.cisa.gov/uscert/ics/advisories/icsa-21-166-02 Third Party Advisory US Government Resource
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-32986
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-32986
History
Created Old Value New Value Data Type Notes
2022-05-10 15:43:04 Added to TrackCVE
2022-12-06 14:09:05 2022-04-04T20:15Z 2022-04-04T20:15:09 CVE Published Date updated
2022-12-06 14:09:05 2022-10-25T19:40:50 CVE Modified Date updated
2022-12-06 14:09:05 Analyzed Vulnerability Status updated