CVE-2024-21550: steve XSS — Fix

Description

SteVe is an open platform that implements different version of the OCPP protocol for Electric Vehicle charge points, acting as a central server for management of registered charge points. Attackers can inject arbitrary HTML and Javascript code via WebSockets leading to persistent Cross-Site Scripting in the SteVe management interface.

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CVSS v3.1 Score

6.1

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
steve-community	steve	< 3.5.1
steve-community	steve	All
steve-community	steve	All

References

Advisories & Patches

https://github.com/steve-community/steve/commit/a79983f843c37705182c8f54eba060c1dce3b6d1 https://github.com/steve-community/steve/issues/1526 https://github.com/steve-community/steve/pull/1527

Other References

https://github.com/steve-community/steve/blob/steve-3.6.0/src/main/java/de/rwth/idsg/steve/config/WebSocketConfiguration.java#L69

Frequently Asked Questions

What is CVE-2024-21550? +

SteVe is an open platform that implements different version of the OCPP protocol for Electric Vehicle charge points, acting as a central server for management of registered charge points. Attackers can inject arbitrary HTML and Javascript code via WebSockets leading to persistent Cross-Site Scripting in the SteVe management interface. It has a CVSS v3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2024-21550? +

CVE-2024-21550 has a CVSS v3.1 score of 6.1 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-21550? +

CVE-2024-21550 affects products from steve-community, specifically: steve. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-21550? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2024-21550