CVE-2017-16128: The module npm-script-demo opened a connection to a command and control server

Q: How do I fix CVE-2017-16128?

npm-script-demo: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2017-16128 being exploited?

CVE-2017-16128 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-2017-16128 affect?

CVE-2017-16128 affects npm-script-demo. Severity is critical (CVSS 9.8). The module npm-script-demo opened a connection to a command and control server. It has been removed from the npm registry.

Q: How urgent is CVE-2017-16128?

Priority 58/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2017-16128 is a critical-severity flaw (CVSS 9.8) affecting npm-script-demo. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The module npm-script-demo opened a connection to a command and control server. It has been removed from the npm registry.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.4% (top 27%)
CISA exploited list	No
Weakness	CWE-506, CWE-276
Published	2018-06-07
Last modified	2026-06-17

Publisher (CNA): HackerOne · Vendor: npm-script-demo project

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

Am I affected?

Timeline

2018-06-07 02:29 UTCPublished CVE record published
2026-06-17 01:08 UTCUpdated Record last modified

npm-script-demo project npm-script-demo DOWNGRADE

Affected: 0.0.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.0.1

1. Check installed version

npm ls npm-script-demo

2. No fixed release: DOWNGRADE to a release before 0.0.1

npm view npm-script-demo versions npm install npm-script-demo@"<0.0.1"

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2017-16128?

npm-script-demo: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2017-16128 being exploited?

CVE-2017-16128 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-2017-16128 affect?

CVE-2017-16128 affects npm-script-demo. Severity is critical (CVSS 9.8). The module npm-script-demo opened a connection to a command and control server. It has been removed from the npm registry.

How urgent is CVE-2017-16128?

Priority 58/100. Critical severity; Remotely exploitable, no login, no user action

References

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