CVE-2017-18869

2.5 LOW 0.3% exploit odds No fix listed

What it is

A TOCTOU issue in the chownr package before 1.1.0 for Node.js 10.10 could allow a local attacker to trick it into descending into unintended directories via symlink attacks.

At a glance

Exploitability: Can be exploited locally on the machine with a low-privilege account. Limited direct impact.
Exploit odds: 0.3% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2020-06-15 15:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 01:13 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.3% in the next 30 days (EPSS).
Severity: 2.5 LOW (CVSS).
Fix: none linked yet, which raises it.

Details

Published: 2020-06-15 15:15 UTC
Last modified: 2026-06-17 01:13 UTC
Exploit probability: 0.3% · EPSS, next 30 days
Weakness: CWE-367
Record status: Modified

Affected

Chownr Project Chownr < 1.1.0

Attack profile CVSS 3.1 · 2.5

Attack vector: Local
Complexity: High
Privileges needed: Low
User interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: Low
Availability: None

Raw vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2017-18869.md and follow it. Check whether this project is affected by CVE-2017-18869. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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References

NVD record · CVE.org record