How severe is CVE-2019-17365?

CVE-2019-17365 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-17365 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-17365?

CVE-2019-17365 affects Nixos Nix. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-17365?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-17365 published?

CVE-2019-17365 was published on 2019-10-09 and last updated on 2026-06-17.

CVE-2019-17365

CVE-2019-17365 is a high-severity vulnerability in Nixos Nix with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-276.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 4.6
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-276
Affected product: Nixos Nix
Published: 2019-10-09
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2019-17365?: 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.
How severe is CVE-2019-17365?: CVE-2019-17365 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-17365 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-17365?: CVE-2019-17365 affects Nixos Nix. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-17365?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-17365 published?: CVE-2019-17365 was published on 2019-10-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:nixos:nix:*:*:*:*:*:*:*:*

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