How severe is CVE-1999-1584?

CVE-1999-1584 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-1999-1584 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-1584?

CVE-1999-1584 primarily affects Sun Openwindows. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-1999-1584?

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-1999-1584 published?

CVE-1999-1584 was published on 1999-12-31 and last updated on 2026-06-16.

CVE-1999-1584

CVE-1999-1584 is a critical-severity vulnerability in Sun Openwindows with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Sun Openwindows
Published: 1999-12-31
Last modified: 2026-06-16

Description

Unknown vulnerability in (1) loadmodule, and (2) modload if modload is installed with setuid/setgid privileges, in SunOS 4.1.1 through 4.1.3c, and Open Windows 3.0, allows local users to gain root privileges via environment variables, a different vulnerability than CVE-1999-1586.

Frequently asked questions

What is CVE-1999-1584?: Unknown vulnerability in (1) loadmodule, and (2) modload if modload is installed with setuid/setgid privileges, in SunOS 4.1.1 through 4.1.3c, and Open Windows 3.0, allows local users to gain root privileges via environment variables, a different vulnerability than CVE-1999-1586.
How severe is CVE-1999-1584?: CVE-1999-1584 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-1999-1584 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-1584?: CVE-1999-1584 primarily affects Sun Openwindows. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-1999-1584?: 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-1999-1584 published?: CVE-1999-1584 was published on 1999-12-31 and last updated on 2026-06-16.

References

Affected products (5)

cpe:2.3:a:sun:openwindows:3.0:*:*:*:*:*:*:*
cpe:2.3:o:sun:sunos:4.1.1:*:*:*:*:*:*:*
cpe:2.3:o:sun:sunos:4.1.2:*:*:*:*:*:*:*
cpe:2.3:o:sun:sunos:4.1.3:*:*:*:*:*:*:*
cpe:2.3:o:sun:sunos:4.1.3c:*:*:*:*:*:*:*

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