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CVE-2024-21550

MEDIUM
6.1
CVSS Score
Published: August 12, 2024 at 02:54 PM UTC
Updated: June 17, 2026 at 07:09 AM UTC
1 product affected across 1 vendorSteve

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Steve· Steve Community
95%
v ≤ 3.5.1v < 3.5.13.6.0 ≤ v < 3.6.13.7.0 ≤ v < 3.7.13.6.03.7.0
Affected range stops below 3.5.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.6.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.7.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (4)

Product
Source: [email protected]
https://github.com/steve-community/steve/blob/steve-3.6.0/src/main/java/de/rwth/idsg/steve/config/WebSocketConfiguration.java#L69
Patch
Source: [email protected]
https://github.com/steve-community/steve/commit/a79983f843c37705182c8f54eba060c1dce3b6d1
Issue TrackingPatch
Source: [email protected]
https://github.com/steve-community/steve/issues/1526
Issue TrackingPatch
Source: [email protected]
https://github.com/steve-community/steve/pull/1527

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.1MEDIUMsnyk
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-79

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