CVE-2021-27475 (GCVE-0-2021-27475)

Vulnerability from cvelistv5 – Published: 2022-03-23 19:46 – Updated: 2025-04-16 17:58
VLAI?
Summary
Rockwell Automation Connected Components Workbench v12.00.00 and prior does not limit the objects that can be deserialized. This vulnerability allows attackers to craft a malicious serialized object that, if opened by a local user in Connected Components Workbench, may result in remote code execution. This vulnerability requires user interaction to be successfully exploited.
Severity ?
8.6 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
Rockwell Automation Connected Components Workbench Affected: unspecified , ≤ v12.00.00 (custom)
Create a notification for this product.
Credits
Mashav Sapir of Claroty reported these vulnerabilities to Rockwell Automation.
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This vulnerability requires user interaction to be successfully exploited.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-502\", \"description\": \"CWE-502 Deserialization of Untrusted Data\"}]}], \"providerMetadata\": {\"orgId\": \"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6\", \"shortName\": \"icscert\", \"dateUpdated\": \"2022-03-23T19:46:38.000Z\"}, \"x_legacyV4Record\": {\"credit\": [{\"lang\": \"eng\", \"value\": \"Mashav Sapir of Claroty reported these vulnerabilities to Rockwell Automation.\"}], \"impact\": {\"cvss\": {\"scope\": \"CHANGED\", \"version\": \"3.1\", \"baseScore\": 8.6, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"REQUIRED\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}}, \"source\": {\"discovery\": \"UNKNOWN\"}, \"affects\": {\"vendor\": {\"vendor_data\": [{\"product\": {\"product_data\": [{\"version\": {\"version_data\": [{\"version_value\": \"v12.00.00\", \"version_affected\": \"\u003c=\"}]}, \"product_name\": \"Connected Components Workbench\"}]}, \"vendor_name\": \"Rockwell Automation\"}]}}, \"solution\": [{\"lang\": \"en\", \"value\": \"Rockwell Automation recommends users of the affected software update to an available software revision (Connected Components Workbench v13.00.00 or later) that addresses the associated risk. \"}], \"data_type\": \"CVE\", \"generator\": {\"engine\": \"Vulnogram 0.0.9\"}, \"references\": {\"reference_data\": [{\"url\": \"https://www.cisa.gov/uscert/ics/advisories/icsa-21-133-01\", \"name\": \"https://www.cisa.gov/uscert/ics/advisories/icsa-21-133-01\", \"refsource\": \"CONFIRM\"}, {\"url\": \"https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1131435\", \"name\": \"https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1131435\", \"refsource\": \"CONFIRM\"}]}, \"data_format\": \"MITRE\", \"description\": {\"description_data\": [{\"lang\": \"eng\", \"value\": \"Rockwell Automation Connected Components Workbench v12.00.00 and prior does not limit the objects that can be deserialized. This vulnerability allows attackers to craft a malicious serialized object that, if opened by a local user in Connected Components Workbench, may result in remote code execution. This vulnerability requires user interaction to be successfully exploited.\"}]}, \"problemtype\": {\"problemtype_data\": [{\"description\": [{\"lang\": \"eng\", \"value\": \"CWE-502 Deserialization of Untrusted Data\"}]}]}, \"work_around\": [{\"lang\": \"en\", \"value\": \"Users who are unable to update are directed towards risk mitigation strategies provided below, and are encouraged, when possible, to combine these with Rockwell Automation\\u2019s general security guidelines to employ multiple strategies simultaneously.\\nIf upgrade is not possible, Rockwell Automation recommends deploying the following mitigations:\\n    Run Connected Components Workbench as a User, not as an Administrator, to minimize the impact of malicious code on the infected system.\\n    Do not open untrusted .ccwarc, files with Connected Components Workbench. Employ training and awareness programs to educate users on the warning signs of a phishing or social engineering attack.\\n    Use of Microsoft AppLocker or other similar allow list applications can help mitigate risk. Information on using AppLocker with Rockwell Automation products is available at KnowledgeBase Article QA17329 (login required).\\n    Ensure the least-privilege user principle is followed, and user/service account access to shared resources (such as a database) is only granted with a minimum number of rights as needed.\\n\\nFor more information, please see the industrial security advisory from Rockwell Automation. \"}], \"data_version\": \"4.0\", \"CVE_data_meta\": {\"ID\": \"CVE-2021-27475\", \"STATE\": \"PUBLIC\", \"TITLE\": \"Rockwell Automation Connected Components Workbench Deserialization of Untrusted Data\", \"ASSIGNER\": \"ics-cert@hq.dhs.gov\"}}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2021-27475\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-04-16T17:58:45.843Z\", \"dateReserved\": \"2021-02-19T00:00:00.000Z\", \"assignerOrgId\": \"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6\", \"datePublished\": \"2022-03-23T19:46:38.000Z\", \"assignerShortName\": \"icscert\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.