CVE-2021-34591 (GCVE-0-2021-34591)

Vulnerability from cvelistv5 – Published: 2022-04-27 15:15 – Updated: 2024-09-16 20:36
VLAI
Title
Bender Charge Controller: Local privilege Escalation
Summary
In Bender/ebee Charge Controllers in multiple versions are prone to Local privilege Escalation. An authenticated attacker could get root access via the suid applications socat, ip udhcpc and ifplugd.
CWE
  • CWE-250 - Execution with Unnecessary Privileges
References
Impacted 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 Create a notification for this product.
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 Create a notification for this product.
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 Create a notification for this product.
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 Create a notification for this product.
Date Public
2022-04-27 00:00
Show details on NVD website

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                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 5.9,
              "source": "info@cert.vde.com",
              "type": "Secondary"
            },
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 7.8,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 5.9,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2022-04-27T16:15:11.083",
        "references": [
          {
            "source": "info@cert.vde.com",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://cert.vde.com/en/advisories/VDE-2021-047"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://cert.vde.com/en/advisories/VDE-2021-047"
          }
        ],
        "sourceIdentifier": "info@cert.vde.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-250"
              }
            ],
            "source": "info@cert.vde.com",
            "type": "Secondary"
          }
        ]
      }
    },
    "redhat_vex": {
      "current_release_date": "2026-03-27T13:55:24+00:00",
      "cve": "CVE-2021-34591",
      "id": "CVE-2021-34591",
      "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: Local privilege Escalation",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-34591.json",
      "version": "3"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.

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Detection rules are retrieved from Rulezet.

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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.


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