CVE-2021-34591
Bender Charge Controller: Local privilege Escalation
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Bender Charge Controller: Local privilege Escalation
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.
- Record
CVE-2021-34591- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-250
- Updated
- 2026-11-02
EUVDEUVD-2021-21241
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.
- Record
EUVD-2021-21241- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-27j2-98fj-7r5w
In Bender/ebee Charge Controllers in multiple versions are prone to Local privilege Escalation....
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.
- Record
GHSA-27j2-98fj-7r5w- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-250
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2021-34591- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.2 High
AV:L/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-250
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-34591 is a high vulnerability (CVSS 7.8) in Bender Cc612, published April 27, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.23%, the 14th percentile. No source names a fixed version.