Bender Charge Controller: Local privilege Escalation

published 2022-04-27 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-21241

cvss: 7.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 14%
public exploits: 0; none known

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.

Patch / fix

fixed in 4

Bender / ebee CC612 5.11.2, 5.12.5, 5.13.2, 5.20.2
Bender / ebee CC613 5.11.2, 5.12.5, 5.13.2, 5.20.2
Bender / ebee ICC15xx 5.11.2, 5.12.5, 5.13.2, 5.20.2
Bender / ebee ICC16xx 5.11.2, 5.12.5, 5.13.2, 5.20.2

Exploit prediction

0.23% chance of exploitation in the next 30 days, higher than 14% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.2	AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected products

Bender / ebee CC612
Bender / ebee CC613
Bender / ebee ICC15xx
Bender / ebee ICC16xx

Classification

Weakness

CWE-250 Execution with Unnecessary Privileges

References

cert.vde.com /en/advisories/VDE-2021-047
vendor-advisory

Sources

CVE List CVE-2021-34591
NVD CVE-2021-34591

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary