How severe is CVE-1999-0818?

CVE-1999-0818 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-1999-0818 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-0818?

CVE-1999-0818 primarily affects Sun Solaris. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-1999-0818?

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-1999-0818 published?

CVE-1999-0818 was published on 1999-11-20 and last updated on 2026-06-16.

CVE-1999-0818

CVE-1999-0818 is a high-severity vulnerability in Sun Solaris 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: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Sun Solaris
Published: 1999-11-20
Last modified: 2026-06-16

Description

Buffer overflow in Solaris kcms_configure via a long NETPATH environmental variable.

Frequently asked questions

What is CVE-1999-0818?: Buffer overflow in Solaris kcms_configure via a long NETPATH environmental variable.
How severe is CVE-1999-0818?: CVE-1999-0818 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-1999-0818 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-0818?: CVE-1999-0818 primarily affects Sun Solaris. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-1999-0818?: 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-1999-0818 published?: CVE-1999-0818 was published on 1999-11-20 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:o:sun:solaris:7.0:*:x86:*:*:*:*:*
cpe:2.3:o:sun:sunos:5.7:*:*:*:*:*:*:*

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