Vulnerability-Lookup

CVE-2021-22280 (GCVE-0-2021-22280)

Vulnerability from cvelistv5 – Published: 2024-05-14 19:36 – Updated: 2024-08-03 18:37

Title

DLL Hijacking Vulnerability in Automation Studio

Summary

Improper DLL loading algorithms in B&R Automation Studio versions >=4.0 and <4.12 may allow an authenticated local attacker to execute code in the context of the product.

Severity

7.2 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-05-16 16:04 UTC

CWE

DLL Hijacking Vulnerability in Automation Studio
CWE-20 - Improper Input Validation

Assigner

ABB icscert root

References

1 reference

URL	Tags
https://www.br-automation.com/fileadmin/2021-10_D…

Impacted products

2 products

Vendor	Product	Version	CPE status
B&R Industrial Automation	Automation Studio	Affected: 0 , < 4.12 (custom)	guessed
br-automation	automation_studio	Affected: 4.0 , < 4.12 (custom) cpe:2.3:a:br-automation:automation_studio::::::::

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2021-22280

Vulnerability from fkie_nvd - Published: 2024-05-14 20:15 - Updated: 2026-06-17 03:36

Severity

7.2 (High) - CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H

Summary

Improper DLL loading algorithms in B&R Automation Studio versions >=4.0 and <4.12 may allow an authenticated local attacker to execute code in the context of the product.

References

	URL	Tags
	cybersecurity@ch.abb.com	https://www.br-automation.com/fileadmin/2021-10_DLL_Hijacking_Vulnerability_in_Automation_Studio-7dd34511.pdf	Vendor Advisory
	af854a3a-2127-422b-91ae-364da2661108	https://www.br-automation.com/fileadmin/2021-10_DLL_Hijacking_Vulnerability_in_Automation_Studio-7dd34511.pdf	Vendor Advisory

Impacted products

	Vendor	Product	Version
	br-automation	automation_studio	*

JSON

To clipboard

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          "value": "CWE-20"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}

GHSA-X53H-2CJP-MWCX

Vulnerability from github – Published: 2024-05-14 21:34 – Updated: 2025-12-19 15:31

Details

Improper DLL loading algorithms in B&R Automation Studio may allow an authenticated local attacker to execute code with elevated privileges.

This issue affects Automation Studio versions before 4.12.

Severity

7.2 (High)


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

Show details on source website

JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2021-22280"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20",
      "CWE-427"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-14T20:15:11Z",
    "severity": "HIGH"
  },
  "details": "Improper DLL loading algorithms in B\u0026R Automation Studio may allow an authenticated local attacker to\nexecute code with elevated privileges.\n\nThis issue affects Automation Studio versions before 4.12.",
  "id": "GHSA-x53h-2cjp-mwcx",
  "modified": "2025-12-19T15:31:16Z",
  "published": "2024-05-14T21:34:44Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-22280"
    },
    {
      "type": "WEB",
      "url": "https://www.br-automation.com/fileadmin/2021-10_DLL_Hijacking_Vulnerability_in_Automation_Studio-7dd34511.pdf"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GSD-2021-22280

Vulnerability from gsd - Updated: 2023-12-13 01:23

Details

** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided.

Aliases

CVE-2021-22280

Aliases

CVE-2021-22280

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2021-22280",
    "id": "GSD-2021-22280"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-22280"
      ],
      "id": "GSD-2021-22280",
      "modified": "2023-12-13T01:23:24.446403Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2021-22280",
        "STATE": "RESERVED"
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided."
          }
        ]
      }
    }
  }
}

Sightings

Author	Source	Type	Date	Other

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2021-22280 (GCVE-0-2021-22280)

FKIE_CVE-2021-22280

GHSA-X53H-2CJP-MWCX

GSD-2021-22280

Tags

Sightings

Nomenclature

Related by attack behaviour