CVE-2024-21550: SteVe is an open platform that implements different version of the OCPP protocol for Electric Vehicle charge p

Q: How do I fix CVE-2024-21550?

steve: upgrade to newer than 3.5.1. Exact commands for each OS are on this page.

Q: Is CVE-2024-21550 being exploited?

CVE-2024-21550 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-21550 affect?

CVE-2024-21550 affects steve. Severity is medium (CVSS 6.1). 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 c

Q: How urgent is CVE-2024-21550?

Priority 30/100. No elevated risk signals yet.

Routine

MEDIUM 6.1UPGRADE

CVE-2024-21550 is a medium-severity flaw (CVSS 6.1) affecting steve. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.4% (top 66%)
CISA exploited list	No
Weakness	CWE-79
Published	2024-08-12
Last modified	2026-06-17

Publisher (CNA): Snyk · Vendor: steve-community

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-08-12 15:15 UTCPublished CVE record published
2026-06-17 07:09 UTCUpdated Record last modified

steve-community steve UPGRADE

Affected: <= 3.5.1 · 3.6.0 · 3.7.0

Fixed in: newer than 3.5.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy steve || rpm -q steve || steve --version

2. UPGRADE to newer than 3.5.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade steve

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade steve

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-21550?

steve: upgrade to newer than 3.5.1. Exact commands for each OS are on this page.

Is CVE-2024-21550 being exploited?

CVE-2024-21550 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-21550 affect?

CVE-2024-21550 affects steve. Severity is medium (CVSS 6.1). 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 c

How urgent is CVE-2024-21550?

Priority 30/100. No elevated risk signals yet.

Related CVEs

CVE-2026-28230 MEDIUM 6.3 UPGRADE SteVe is an open-source EV charging station management system
CVE-2024-44843 MEDIUM 5.9 DOWNGRADE An issue in the web socket handshake process of SteVe v3.7.1 allows attackers to bypass authentication and exe

References

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