What’s Vulnerable › Vulnerabilities

CVE-2021-34588: Bender Charge Controller: Unprotected data export

• Severity: high (CVSS 8.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-04-27 · updated 2026-06-17
• Weakness: CWE-425

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 products

• Bender Cc612 Firmware: from 5.11.0 before 5.11.2; from 5.12.0 before 5.12.5; from 5.13.0 before 5.13.2; from 5.20.0 before 5.20.2 — fixed in 5.11.2, 5.12.5, 5.13.2, 5.20.2
• Bender Icc15Xx Firmware: from 5.11.0 before 5.11.2; from 5.12.0 before 5.12.5; from 5.13.0 before 5.13.2; from 5.20.0 before 5.20.2 — fixed in 5.11.2, 5.12.5, 5.13.2, 5.20.2

How to fix

Upgrade to a fixed version: Bender Cc612 Firmware 5.11.2, 5.12.5, 5.13.2, 5.20.2; Bender Icc15Xx Firmware 5.11.2, 5.12.5, 5.13.2, 5.20.2. Check the vendor advisory for mitigations.

References

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

Get alerted when CVE-2021-34588 or the next vulnerability affects your stack