CVE-2024-21550 json
SteVe is an open platform that implements different version of the OCPP protocol for Electric Vehicle charge points, acting as a central se…
published 2024-08-12 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-19199
- cvss
- 6.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 34%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- n/a SteVe 3.5.1, 3.6.1, 3.7.1
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.40% chance of exploitation in the next 30 days, higher than 34% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected products
- n/a SteVe
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/steve-community/steve/pull/1527
issue-tracking, patch
-
github.com
/steve-community/steve/commit/a79983f843c37705182c8f54eba060c1dce3b6d1
patch
-
github.com
/steve-community/steve/issues/1526
issue-tracking, patch
-
github.com
/steve-community/steve/blob/steve-3.6.0/src/main/java/de/rwth/idsg/steve/config/WebSocketConfiguration.java#L6
product
Sources
- CVE List CVE-2024-21550
- NVD CVE-2024-21550
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.