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Vulnerability record · CVE-2019-17365 · published 9 October 2019

CVE-2019-17365: Nixos nix incorrect default permissions vulnerability

Nixos · Nix

Nix through 2.3 allows local users to gain access to an arbitrary user's account because the parent directory of the user-profile directories is world writable.

7.8 CVSS 3.1 High EPSS 0.43% · top 64.9% CWE-276 · Incorrect default permissions
7.8CVSS 3.1 base score, v2 4.6
0.43%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Nix through 2.3 allows local users to gain access to an arbitrary user's account because the parent directory of the user-profile directories is world writable.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.openwall.com/lists/oss-security/2019/10/09/4 ExploitMailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2019/10/10/1 Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2019/10/17/3 Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2019/10/09/4 ExploitMailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2019/10/10/1 Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2019/10/17/3 Mailing ListThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2019-17365), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.