An issue in the web socket handshake process of SteVe v3.7.1 allows attackers to bypass authentication and execute arbitrary coammands via…

published 2025-04-15 18 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-54414

cvss: 5.9; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 39%
public exploits: 0; none known

An issue in the web socket handshake process of SteVe v3.7.1 allows attackers to bypass authentication and execute arbitrary coammands via supplying crafted OCPP requests.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: yes
Technical impact: total
Assessed: 18 mo ago (2025-04-16)

Exploit prediction

0.45% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

gist.github.com https://gist.github.com/Badranh/94359664799db6d4709871f0c353f476 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	5.9	CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:L/A:L
CNA	3.1	5.9	CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:L/A:L

Classification

Weakness

CWE-287 Improper Authentication

References

gist.github.com /Badranh/94359664799db6d4709871f0c353f476
exploit, third-party-advisory
github.com /steve-community/steve/issues/1546
issue-tracking
github.com /steve-community/steve/blob/master/src/main/java/de/rwth/idsg/steve/ocpp/ws/OcppWebSocketHandshakeHandler.java
product

Sources

CVE List CVE-2024-44843
NVD CVE-2024-44843

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.

Summary