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

7.8HIGH

Key Information:

Vendor

Bender / Ebee

Status
Cc612
Cc613
Icc15xx
Icc16xx
Vendor
CVE Published:
27 April 2022

What is CVE-2021-34591?

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.

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Affected Version(s)

CC612 5.11.x < 5.11.2

CC612 5.12.x < 5.12.5

CC612 5.13.x < 5.13.2

References

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

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

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