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CERTVDECVE-2021-34591

HistoryApr 27, 2022 - 4:15 p.m.

CVE-2021-34591

2022-04-2716:15:11

CWE-250

CERTVDE

web.nvd.nist.gov

bender

ebee

charge controllers

cve-2021-34591

local privilege escalation

nvd

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS3

7.8

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

AI Score

7.5

Confidence

High

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.

Affected configurations

Nvd

Node

bendercc612_firmwareRange5.11.0–5.11.2

bendercc612_firmwareRange5.12.0–5.12.5

bendercc612_firmwareRange5.13.0–5.13.2

bendercc612_firmwareRange5.20.0–5.20.2

AND

bendercc612Match-

Node

bendercc613Match-

AND

bendericc15xx_firmwareRange5.11.0–5.11.2

bendericc15xx_firmwareRange5.12.0–5.12.5

bendericc15xx_firmwareRange5.13.0–5.13.2

bendericc15xx_firmwareRange5.20.0–5.20.2

Node

bendercc613Match-

AND

bendericc15xx_firmwareRange5.11.0–5.11.2

bendericc15xx_firmwareRange5.12.0–5.12.5

bendericc15xx_firmwareRange5.13.0–5.13.2

bendericc15xx_firmwareRange5.20.0–5.20.2

Node

bendercc613Match-

AND

bendericc15xx_firmwareRange5.11.0–5.11.2

bendericc15xx_firmwareRange5.12.0–5.12.5

bendericc15xx_firmwareRange5.13.0–5.13.2

bendericc15xx_firmwareRange5.20.0–5.20.2

VendorProductVersionCPE
bendercc612_firmware*cpe:2.3:o:bender:cc612_firmware:*:*:*:*:*:*:*:*
bendercc612-cpe:2.3:h:bender:cc612:-:*:*:*:*:*:*:*
bendercc613-cpe:2.3:h:bender:cc613:-:*:*:*:*:*:*:*
bendericc15xx_firmware*cpe:2.3:o:bender:icc15xx_firmware:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
bender	cc612_firmware	*	cpe:2.3:o:bender:cc612_firmware::::::::
bender	cc612	-	cpe:2.3:h:bender:cc612:-:::::::*
bender	cc613	-	cpe:2.3:h:bender:cc613:-:::::::*
bender	icc15xx_firmware	*	cpe:2.3:o:bender:icc15xx_firmware::::::::

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

Social References

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS3

7.8

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

AI Score

7.5

Confidence

High

EPSS

Percentile

5.1%

JSON

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