How severe is CVE-2019-17383?

CVE-2019-17383 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-17383 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-17383?

CVE-2019-17383 affects Netaddr Project Netaddr. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-17383?

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

When was CVE-2019-17383 published?

CVE-2019-17383 was published on 2019-10-09 and last updated on 2026-06-17.

CVE-2019-17383

CVE-2019-17383 is a critical-severity vulnerability in Netaddr Project Netaddr with a CVSS 3.x base score of 9.8. 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: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-276
Affected product: Netaddr Project Netaddr
Published: 2019-10-09
Last modified: 2026-06-17

Description

The netaddr gem before 2.0.4 for Ruby has misconfigured file permissions, such that a gem install may result in 0777 permissions in the target filesystem.

Frequently asked questions

What is CVE-2019-17383?: The netaddr gem before 2.0.4 for Ruby has misconfigured file permissions, such that a gem install may result in 0777 permissions in the target filesystem.
How severe is CVE-2019-17383?: CVE-2019-17383 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-17383 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-17383?: CVE-2019-17383 affects Netaddr Project Netaddr. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-17383?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-17383 published?: CVE-2019-17383 was published on 2019-10-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:netaddr_project:netaddr:*:*:*:*:*:ruby:*:*

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