CVE-2017-16024: The sync-exec module is used to simulate child_process.execSync in node versions <0.11.9

Q: How do I fix CVE-2017-16024?

sync-exec: upgrade to newer than 0.6.2; node.js: upgrade to 0.11.9. Exact commands for each OS are on this page.

Q: Is CVE-2017-16024 being exploited?

CVE-2017-16024 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-2017-16024 affect?

CVE-2017-16024 affects sync-exec, node.js. Severity is medium (CVSS 6.5). The sync-exec module is used to simulate child_process.execSync in node versions <0.11.9. Sync-exec uses tmp directories as a buffer before returning values. Other users on the server have read access to the tmp directory, possibly allowing

Q: How urgent is CVE-2017-16024?

Priority 44/100. No elevated risk signals yet.

This month

MEDIUM 6.5UPGRADEUPGRADE

CVE-2017-16024 is a medium-severity flaw (CVSS 6.5) affecting sync-exec, node.js. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The sync-exec module is used to simulate child_process.execSync in node versions <0.11.9. Sync-exec uses tmp directories as a buffer before returning values. Other users on the server have read access to the tmp directory, possibly allowing an attacker on the server to obtain confidential information from the buffer/tmp file, while it exists.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	2.5% (top 15%)
CISA exploited list	No
Weakness	CWE-377, CWE-200
Published	2018-06-04
Last modified	2026-06-17

Publisher (CNA): HackerOne · Vendor: nodejs · sync-exec project

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

Am I affected?

Timeline

2018-06-04 19:29 UTCPublished CVE record published
2026-06-17 01:08 UTCUpdated Record last modified

sync-exec project sync-exec UPGRADE

Affected: <= 0.6.2

Fixed in: newer than 0.6.2

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls sync-exec

2. UPGRADE to newer than 0.6.2

npm install sync-exec@">0.6.2"

nodejs node.js UPGRADE

Affected: < 0.11.9

Fixed in: 0.11.9

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy node.js || rpm -q node.js || node.js --version

2. UPGRADE to 0.11.9 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade node.js

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade node.js

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-2017-16024?

sync-exec: upgrade to newer than 0.6.2; node.js: upgrade to 0.11.9. Exact commands for each OS are on this page.

Is CVE-2017-16024 being exploited?

CVE-2017-16024 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-2017-16024 affect?

CVE-2017-16024 affects sync-exec, node.js. Severity is medium (CVSS 6.5). The sync-exec module is used to simulate child_process.execSync in node versions <0.11.9. Sync-exec uses tmp directories as a buffer before returning values. Other users on the server have read access to the tmp directory, possibly allowing

How urgent is CVE-2017-16024?

Priority 44/100. No elevated risk signals yet.

Software pages

Node.js vulnerabilities

References

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