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CVE Record

CVE-2021-34592: Bender Charge Controller: Command injection via Web interface

In Bender/ebee Charge Controllers in multiple versions are prone to Command injection via Web interface. An authenticated attacker could enter shell commands into some input fields.

HighCVSS 8.8Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This vulnerability lets a logged-in attacker submit operating-system commands through the Web interface of affected Bender/ebee charge controllers. Successful abuse could compromise confidentiality, integrity, and availability of charging infrastructure. The supplied sources rate it high severity with CVSS 8.8.

Executive priority

Treat this as a priority remediation item for EV charging environments, especially where controller management is remotely reachable. Business risk is high because compromise could affect charging availability and operational trust.

Technical view

CVE-2021-34592 is CWE-77 command injection in Web interface input fields. It affects Bender/ebee CC612, CC613, ICC15xx, and ICC16xx controllers on firmware branches 5.11.x, 5.12.x, 5.13.x, and 5.20.x. The CVSS vector is AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Likely exposure

Exposure is most likely where affected charge controllers run the listed firmware branches and their Web administration interface is reachable by operators, vendors, or remote maintenance networks.

Exploitation context

The supplied bundle does not show CISA KEV listing or active exploitation evidence. The stated attack requires authentication, but no user interaction, low complexity, and network access to the Web interface.

Researcher notes

Evidence is limited to the CVE bundle and VDE advisory reference. No exploit details, patch version, or active exploitation claim is provided here. Validation should focus on authenticated Web interface reachability and exact firmware exposure.

Mitigation direction

  • Identify affected controller models and firmware branches.
  • Restrict Web interface access to trusted admin networks or VPNs.
  • Check VDE/Bender guidance for vendor-approved updates or mitigations.
  • Enforce least-privilege accounts and review administrative access.
  • Segment charging infrastructure from corporate and sensitive OT networks.

Validation and detection

  • Inventory deployed CC612, CC613, ICC15xx, and ICC16xx controllers.
  • Confirm firmware branch against 5.11.x, 5.12.x, 5.13.x, and 5.20.x.
  • Verify the Web interface is not internet-exposed.
  • Review authenticated admin accounts and remote maintenance paths.
  • Check logs for unexpected administrative changes or command-execution symptoms.
Prepared
Confidence
high
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · medium confidence lookup

CWE-77: Command execution behavior lookup

Command injection weaknesses can lead defenders to review execution techniques and command interpreter telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

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description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2021-34592 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
High
CVSS
8.8 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
8.8CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H2.85.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

8.8High
CVSS 3.1 vector shape for CVE-2021-34592Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
Bender / ebeeCC6125.11.x, 5.12.x, 5.13.x, 5.20.xListed
Bender / ebeeCC6135.11.x, 5.12.x, 5.13.x, 5.20.xListed
Bender / ebeeICC15xx5.11.x, 5.12.x, 5.13.x, 5.20.xListed
Bender / ebeeICC16xx5.11.x, 5.12.x, 5.13.x, 5.20.xListed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-77 · source CWE mapping

Improper Neutralization of Special Elements used in a Command ('Command Injection')

Improper Neutralization of Special Elements used in a Command ('Command Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.