CVE-2021-34588
Bender Charge Controller: Unprotected data export
HIGH
8.6
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
HIGH8.6
Exploit prediction
EPSS 0.9%
Description
In Bender/ebee Charge Controllers in multiple versions are prone to unprotected data export. Backup export is protected via a random key. The key is set at user login. It is empty after reboot .
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, and no fixed version or vendor advisory is recorded against it.
References (1)
x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://cert.vde.com/en/advisories/VDE-2021-047CVSS
8.6HIGHCERTVDE
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- CHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-425
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