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CERTVDECVELIST:CVE-2021-34591

HistoryApr 27, 2022 - 12:00 a.m.

CVE-2021-34591 Bender Charge Controller: Local privilege Escalation

2022-04-2700:00:00

CWE-250

CERTVDE

www.cve.org

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.7 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

JSON

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.

CNA Affected

[
  {
    "product": "CC612",
    "vendor": "Bender / ebee",
    "versions": [
      {
        "lessThan": "5.11.2",
        "status": "affected",
        "version": "5.11.x",
        "versionType": "custom"
      },
      {
        "lessThan": "5.12.5",
        "status": "affected",
        "version": "5.12.x",
        "versionType": "custom"
      },
      {
        "lessThan": "5.13.2",
        "status": "affected",
        "version": "5.13.x",
        "versionType": "custom"
      },
      {
        "lessThan": "5.20.2",
        "status": "affected",
        "version": "5.20.x",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "CC613",
    "vendor": "Bender / ebee",
    "versions": [
      {
        "lessThan": "5.11.2",
        "status": "affected",
        "version": "5.11.x",
        "versionType": "custom"
      },
      {
        "lessThan": "5.12.5",
        "status": "affected",
        "version": "5.12.x",
        "versionType": "custom"
      },
      {
        "lessThan": "5.13.2",
        "status": "affected",
        "version": "5.13.x",
        "versionType": "custom"
      },
      {
        "lessThan": "5.20.2",
        "status": "affected",
        "version": "5.20.x",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "ICC15xx",
    "vendor": "Bender / ebee",
    "versions": [
      {
        "lessThan": "5.11.2",
        "status": "affected",
        "version": "5.11.x",
        "versionType": "custom"
      },
      {
        "lessThan": "5.12.5",
        "status": "affected",
        "version": "5.12.x",
        "versionType": "custom"
      },
      {
        "lessThan": "5.13.2",
        "status": "affected",
        "version": "5.13.x",
        "versionType": "custom"
      },
      {
        "lessThan": "5.20.2",
        "status": "affected",
        "version": "5.20.x",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "ICC16xx",
    "vendor": "Bender / ebee",
    "versions": [
      {
        "lessThan": "5.11.2",
        "status": "affected",
        "version": "5.11.x",
        "versionType": "custom"
      },
      {
        "lessThan": "5.12.5",
        "status": "affected",
        "version": "5.12.x",
        "versionType": "custom"
      },
      {
        "lessThan": "5.13.2",
        "status": "affected",
        "version": "5.13.x",
        "versionType": "custom"
      },
      {
        "lessThan": "5.20.2",
        "status": "affected",
        "version": "5.20.x",
        "versionType": "custom"
      }
    ]
  }
]

References

cert.vde.com/en/advisories/VDE-2021-047

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.7 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

JSON

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