Vulnerability-Lookup

CVE-2021-34587 (GCVE-0-2021-34587)

Vulnerability from cvelistv5 – Published: 2022-04-27 15:15 – Updated: 2024-09-17 02:58

Title

Bender Charge Controller: Long URL could lead to webserver crash

Summary

In Bender/ebee Charge Controllers in multiple versions a long URL could lead to webserver crash. The URL is used as input of an sprintf to a stack variable.

Severity

5.3 (Medium)


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

CWE

CWE-121 - Stack-based Buffer Overflow

Assigner

CERTVDE CNA under the icscert root

CNA scorecard B 76/100 over 167 records in the last 180 days details

References

1 reference

URL	Tags
https://cert.vde.com/en/advisories/VDE-2021-047	x_refsource_CONFIRM

Impacted products

4 products

Vendor	Product	Version	CPE status
Bender / ebee	CC612	Affected: 5.11.x , < 5.11.2 (custom) Affected: 5.12.x , < 5.12.5 (custom) Affected: 5.13.x , < 5.13.2 (custom) Affected: 5.20.x , < 5.20.2 (custom)	guessed
Bender / ebee	CC613	Affected: 5.11.x , < 5.11.2 (custom) Affected: 5.12.x , < 5.12.5 (custom) Affected: 5.13.x , < 5.13.2 (custom) Affected: 5.20.x , < 5.20.2 (custom)	guessed
Bender / ebee	ICC15xx	Affected: 5.11.x , < 5.11.2 (custom) Affected: 5.12.x , < 5.12.5 (custom) Affected: 5.13.x , < 5.13.2 (custom) Affected: 5.20.x , < 5.20.2 (custom)	guessed
Bender / ebee	ICC16xx	Affected: 5.11.x , < 5.11.2 (custom) Affected: 5.12.x , < 5.12.5 (custom) Affected: 5.13.x , < 5.13.2 (custom) Affected: 5.20.x , < 5.20.2 (custom)	guessed

Date Public

2022-04-27 00:00

Credits

Bender thanks the IT security researchers at OpenSource Security GmbH for their thorough and in-depth work. The issue was coordinated by CERT@VDE.

Show details on NVD website

JSON

To clipboard

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                "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
                "version": "2.0"
              },
              "exploitabilityScore": 10.0,
              "impactScore": 2.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ],
          "cvssMetricV31": [
            {
              "cvssData": {
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                "attackVector": "NETWORK",
                "availabilityImpact": "LOW",
                "baseScore": 5.3,
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                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
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              },
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              "type": "Secondary"
            },
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          ]
        },
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          {
            "source": "info@cert.vde.com",
            "tags": [
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            ],
            "url": "https://cert.vde.com/en/advisories/VDE-2021-047"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
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            ],
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          }
        ],
        "sourceIdentifier": "info@cert.vde.com",
        "vulnStatus": "Modified",
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            "type": "Secondary"
          },
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            "description": [
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                "lang": "en",
                "value": "CWE-787"
              }
            ],
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            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "current_release_date": "2026-03-27T13:55:25+00:00",
      "cve": "CVE-2021-34587",
      "id": "CVE-2021-34587",
      "initial_release_date": "2021-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Bender Charge Controller: Long URL could lead to webserver crash",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-34587.json",
      "version": "3"
    }
  }
}

FKIE_CVE-2021-34587

Vulnerability from fkie_nvd - Published: 2022-04-27 16:15 - Updated: 2026-06-17 03:56

Severity

5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Summary

In Bender/ebee Charge Controllers in multiple versions a long URL could lead to webserver crash. The URL is used as input of an sprintf to a stack variable.

References

	URL	Tags
	info@cert.vde.com	https://cert.vde.com/en/advisories/VDE-2021-047	Third Party Advisory
	af854a3a-2127-422b-91ae-364da2661108	https://cert.vde.com/en/advisories/VDE-2021-047	Third Party Advisory

Impacted products

Vendor	Product	Version
ibm	_ibm_rational_lifecycle_integration_adapter_for_windchill	1.0.0
bender	cc612_firmware	*
bender	cc612_firmware	*
bender	cc612_firmware	*
bender	cc612_firmware	*
bender	cc612	-
bender	cc613_firmware	*
bender	cc613_firmware	*
bender	cc613_firmware	*
bender	cc613_firmware	*
bender	cc613	-
bender	icc15xx_firmware	*
bender	icc15xx_firmware	*
bender	icc15xx_firmware	*
bender	icc15xx_firmware	*
bender	icc15xx	-
bender	icc16xx_firmware	*
bender	icc16xx_firmware	*
bender	icc16xx_firmware	*
bender	icc16xx_firmware	*
bender	icc16xx	-

JSON

To clipboard

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      "affectedData": [
        {
          "product": "CC612",
          "vendor": "Bender / ebee",
          "versions": [
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    },
    {
      "lang": "es",
      "value": "En los Controladores de Carga Bender/ebee en m\u00faltiples versiones, una URL larga podr\u00eda conllevar a un bloqueo del servidor web. La URL es usada como entrada de un sprintf a una variable de pila"
    }
  ],
  "id": "CVE-2021-34587",
  "lastModified": "2026-06-17T03:56:11.127",
  "metrics": {
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      {
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      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

GHSA-47XC-94F4-86XR

Vulnerability from github – Published: 2022-04-28 00:00 – Updated: 2022-05-12 00:01

Details

In Bender/ebee Charge Controllers in multiple versions a long URL could lead to webserver crash. The URL is used as input of an sprintf to a stack variable.

Severity

5.3 (Medium)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2021-34587"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-04-27T16:15:00Z",
    "severity": "MODERATE"
  },
  "details": "In Bender/ebee Charge Controllers in multiple versions a long URL could lead to webserver crash. The URL is used as input of an sprintf to a stack variable.",
  "id": "GHSA-47xc-94f4-86xr",
  "modified": "2022-05-12T00:01:42Z",
  "published": "2022-04-28T00:00:33Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-34587"
    },
    {
      "type": "WEB",
      "url": "https://cert.vde.com/en/advisories/VDE-2021-047"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    }
  ]
}

GSD-2021-34587

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

Details

In Bender/ebee Charge Controllers in multiple versions a long URL could lead to webserver crash. The URL is used as input of an sprintf to a stack variable.

Aliases

CVE-2021-34587

Aliases

CVE-2021-34587

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2021-34587",
    "description": "In Bender/ebee Charge Controllers in multiple versions a long URL could lead to webserver crash. The URL is used as input of an sprintf to a stack variable.",
    "id": "GSD-2021-34587"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-34587"
      ],
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VDE-2021-047

Vulnerability from csaf_bendergmbhcokg - Published: 2022-04-26 10:00 - Updated: 2022-04-26 10:00

Summary

Bender/ebee: Multiple Charge Controller Vulnerabilities

Scope

7 vulnerabilities in this advisory, including CVE-2021-34587.

CVE-2021-34587

In Bender/ebee Charge Controllers in multiple versions a long URL could lead to webserver crash. The URL is used as input of an sprintf to a stack variable.

5.3 (Medium)


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

Known affected: 4 products

Open the full advisory

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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

Order JSON

How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

Publication & reservation Sightings KEV catalogs Other timestamps

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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-2021-34587 (GCVE-0-2021-34587)

FKIE_CVE-2021-34587

GHSA-47XC-94F4-86XR

GSD-2021-34587

VDE-2021-047

Tags

Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour