CVE-2021-34591
Bender Charge Controller: Local privilege Escalation
HIGH
7.8
CVSS Score
Published: April 27, 2022 at 03:15 PM UTC
Updated: June 17, 2026 at 03:56 AM UTC
8 products affected across 2 vendorsCC612 FirmwareICC15XX FirmwareCC613
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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%
Description
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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
5.11.0 ≤ v < 5.11.25.12.0 ≤ v < 5.12.55.13.0 ≤ v < 5.13.25.20.0 ≤ v < 5.20.2
Affected range stops below 5.11.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.12.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.13.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.20.2, so it looks safe — our inference, not a vendor statement
bender-cc612 (same device)
5.11.0 ≤ v < 5.11.25.12.0 ≤ v < 5.12.55.13.0 ≤ v < 5.13.25.20.0 ≤ v < 5.20.2
Affected range stops below 5.11.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.12.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.13.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.20.2, so it looks safe — our inference, not a vendor statement
bender-cc613 (environment)
5.11.x ≤ v < 5.11.25.12.x ≤ v < 5.12.55.13.x ≤ v < 5.13.25.20.x ≤ v < 5.20.25.11.x5.12.x5.13.x5.20.x
Affected range stops below 5.11.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.12.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.13.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.20.2, so it looks safe — our inference, not a vendor statement
5.11.x ≤ v < 5.11.25.12.x ≤ v < 5.12.55.13.x ≤ v < 5.13.25.20.x ≤ v < 5.20.25.11.x5.12.x5.13.x5.20.x
Affected range stops below 5.11.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.12.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.13.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.20.2, so it looks safe — our inference, not a vendor statement
5.11.x ≤ v < 5.11.25.12.x ≤ v < 5.12.55.13.x ≤ v < 5.13.25.20.x ≤ v < 5.20.25.11.x5.12.x5.13.x5.20.x
Affected range stops below 5.11.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.12.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.13.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.20.2, so it looks safe — our inference, not a vendor statement
5.11.x ≤ v < 5.11.25.12.x ≤ v < 5.12.55.13.x ≤ v < 5.13.25.20.x ≤ v < 5.20.25.11.x5.12.x5.13.x5.20.x
Affected range stops below 5.11.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.12.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.13.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.20.2, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://cert.vde.com/en/advisories/VDE-2021-047CVSS
7.8HIGHCERTVDE
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-250
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