How severe is CVE-1999-0422?

CVE-1999-0422 has a CVSS 2.0 base score of 4.6, rated medium severity.

Is CVE-1999-0422 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-0422?

CVE-1999-0422 affects Netbsd. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-1999-0422?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-1999-0422 published?

CVE-1999-0422 was published on 1999-03-17 and last updated on 2026-06-16.

CVE-1999-0422

CVE-1999-0422 is a medium-severity vulnerability in Netbsd with a CVSS 2.0 base score of 4.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 4.6)
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Netbsd
Published: 1999-03-17
Last modified: 2026-06-16

Description

In some cases, NetBSD 1.3.3 mount allows local users to execute programs in some file systems that have the "noexec" flag set.

Frequently asked questions

What is CVE-1999-0422?: In some cases, NetBSD 1.3.3 mount allows local users to execute programs in some file systems that have the "noexec" flag set.
How severe is CVE-1999-0422?: CVE-1999-0422 has a CVSS 2.0 base score of 4.6, rated medium severity.
Is CVE-1999-0422 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-0422?: CVE-1999-0422 affects Netbsd. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-1999-0422?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-1999-0422 published?: CVE-1999-0422 was published on 1999-03-17 and last updated on 2026-06-16.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0422

Affected products (1)

cpe:2.3:o:netbsd:netbsd:1.3.3:*:*:*:*:*:*:*

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