CVE-2026-24731
Unauthenticated WebSocket Access Enables OCPP Station Impersonation
Publication date: 2026-02-27
Last updated on: 2026-03-05
Assigner: ICS-CERT
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| ev2go | ev2go.io | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-306 | The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability involves WebSocket endpoints that do not have proper authentication mechanisms. Because of this, attackers can impersonate charging stations without authorization by connecting to the OCPP WebSocket endpoint using a known or discovered charging station identifier.
Once connected, the attacker can issue or receive OCPP commands as if they were a legitimate charger, enabling unauthorized control and manipulation of data sent to the backend.
How can this vulnerability impact me? :
This vulnerability can lead to several serious impacts including privilege escalation, unauthorized control of charging infrastructure, and corruption of charging network data reported to the backend.
An attacker exploiting this flaw can manipulate charging station operations and potentially disrupt services or cause incorrect data to be processed by backend systems.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know