CVE-2017-18869

Name: CVE-2017-18869
Creator: NVD / NIST
Published: 2020-06-15T15:15:09.317+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 2.5/10EPSS 0.33%

Last modified Jun 17, 2026

CVE-2017-18869 is a low-severity vulnerability rated 2.5/10 on the CVSS scale. 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.. EPSS estimates a 0.33% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

2.5/10

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

EPSS Probability

0.33%

25.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-367

Affected Software

Vendor	Product	Versions
Chownr Project	Chownr	< 1.1.0

References

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=863985Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1611614Permissions Required
https://github.com/isaacs/chownr/issues/14Third Party Advisory
https://snyk.io/vuln/npm:chownr:20180731Exploit, Third Party Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=863985Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1611614Permissions Required
https://github.com/isaacs/chownr/issues/14Third Party Advisory
https://snyk.io/vuln/npm:chownr:20180731Exploit, Third Party Advisory

Timeline

Published: Jun 15, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-18869?

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.

How severe is CVE-2017-18869?

CVE-2017-18869 has a CVSS score of 2.5/10 (LOW severity). The EPSS model estimates a 0.33% probability of exploitation in the next 30 days.

How do I fix CVE-2017-18869?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-18869?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST