What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% 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-250

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 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-2021-34591 or the next vulnerability affects your stack