CVE-2017-18869: chownr_project chownr
Vulnerability summary
CVE-2017-18869 is a low (CVSS 2.5) vulnerability in chownr_project chownr. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 26.8% of scored vulnerabilities. 1 public exploit is recorded.
Not severe (CVSS 2.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 1Timeline
- 15-06-2020PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated2.5LowCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
- OSV · DebianEcosystem advisory · calculated2.5LowCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
- OSV · NpmEcosystem advisory · calculated2.5LowCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
EPSS trend
Probability
0.33%
Chance of exploitation in the next 30 days
Percentile
27%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.34% on 05-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
1 foundExploit Reference (snyk.io)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Chownr_project1 product
- chownr< 1.1.0
Debian1 product
- node-chownr< 1.1.1-1
Mageia1 product
- nodejs-chownr< 1.1.0-1.mga7
Npm1 product
- chownr< 1.1.0
Ubuntu1 product
- node-chownrAll versions (No fix recorded)
5 vendors · 5 products