HOMEVULNERABILITIESCVE-2021-34588
HIGH

CVE-2021-34588

CWE-425Published: April 27, 2022· Updated: Jun 17, 2026

8.6
CVSS v3.1

Official 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 .

NVD Source

Technical Analysis

CVE-2021-34588 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 8.6.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeChanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Affected Vendors & Products

bender4 product(s)
cc612 firmwarecc612icc15xx firmwarecc613
Source: NVD CPE · 4 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (2)

Quick Facts

CVE IDCVE-2021-34588
CVSS Score8.6 / 10
SeverityHIGH
WeaknessCWE-425
CISA KEVNo
Affected1 vendor(s)
PublishedApr 27, 2022

Related CVEs (CWE-425)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2021-34588 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.