CVE-2019-5616: CircuitWerkes Sicon-8, a hardware device used for managing electrical devices, ships with a web-based front-en

This week

MEDIUM 5.3REMOTEMITIGATE

CVE-2019-5616 is a medium-severity flaw (CVSS 5.3) affecting scion-8 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

CircuitWerkes Sicon-8, a hardware device used for managing electrical devices, ships with a web-based front-end controller and implements an authentication mechanism in JavaScript that is run in the context of a user's web browser.

Why this priority

Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.3% (top 30%)
CISA exploited list	No
Published	2019-03-15
Last modified	2026-06-17

Publisher (CNA): Rapid7, Inc. · Vendor: broadcastboxes

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

Am I affected?

Timeline

2019-03-15 21:29 UTCPublished CVE record published
2026-06-17 02:37 UTCUpdated Record last modified

broadcastboxes scion-8 firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

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-2019-5616?

scion-8 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2019-5616 being exploited?

CVE-2019-5616 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-2019-5616 affect?

CVE-2019-5616 affects scion-8 firmware. Severity is medium (CVSS 5.3). CircuitWerkes Sicon-8, a hardware device used for managing electrical devices, ships with a web-based front-end controller and implements an authentication mechanism in JavaScript that is run in the context of a user's web browser.

How urgent is CVE-2019-5616?

Priority 46/100. Public exploit reference; Remotely exploitable, no login, no user action

References

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