How severe is CVE-1999-1391?

CVE-1999-1391 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-1999-1391 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-1391?

CVE-1999-1391 primarily affects Next. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-1999-1391?

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-1999-1391 published?

CVE-1999-1391 was published on 1990-10-03 and last updated on 2026-06-16.

CVE-1999-1391

CVE-1999-1391 is a high-severity vulnerability in Next with a CVSS 2.0 base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.2)
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Next
Published: 1990-10-03
Last modified: 2026-06-16

Description

Vulnerability in NeXT 1.0a and 1.0 with publicly accessible printers allows local users to gain privileges via a combination of the npd program and weak directory permissions.

Frequently asked questions

What is CVE-1999-1391?: Vulnerability in NeXT 1.0a and 1.0 with publicly accessible printers allows local users to gain privileges via a combination of the npd program and weak directory permissions.
How severe is CVE-1999-1391?: CVE-1999-1391 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-1999-1391 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-1391?: CVE-1999-1391 primarily affects Next. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-1999-1391?: 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-1999-1391 published?: CVE-1999-1391 was published on 1990-10-03 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:next:next:1.0:*:*:*:*:*:*:*
cpe:2.3:a:next:next:1.0a:*:*:*:*:*:*:*

More vulnerabilities in Next

CVE-1999-1193 — Critical (CVSS 10.0): The "me" user in NeXT NeXTstep 2.1 and earlier has wheel group privileges, which could allow the me user to use the su…
CVE-1999-1198 — High (CVSS 7.2): BuildDisk program on NeXT systems before 2.0 does not prompt users for the root password, which allows local users to…
CVE-1999-1392 — High (CVSS 7.2): Vulnerability in restore0.9 installation script in NeXT 1.0a and 1.0 allows local users to gain root privileges.
CVE-1999-1468 — Medium (CVSS 6.2): rdist in various UNIX systems uses popen to execute sendmail, which allows local users to gain root privileges by…

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