How severe is CVE-1999-0686?

CVE-1999-0686 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-1999-0686 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-0686?

CVE-1999-0686 primarily affects Netscape Enterprise Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-1999-0686?

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

When was CVE-1999-0686 published?

CVE-1999-0686 was published on 1999-05-07 and last updated on 2026-06-16.

CVE-1999-0686

CVE-1999-0686 is a medium-severity vulnerability in Netscape Enterprise Server with a CVSS 2.0 base score of 5.0. 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 5.0)
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Netscape Enterprise Server
Published: 1999-05-07
Last modified: 2026-06-16

Description

Denial of service in Netscape Enterprise Server (NES) in HP Virtual Vault (VVOS) via a long URL.

Frequently asked questions

What is CVE-1999-0686?: Denial of service in Netscape Enterprise Server (NES) in HP Virtual Vault (VVOS) via a long URL.
How severe is CVE-1999-0686?: CVE-1999-0686 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-1999-0686 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-0686?: CVE-1999-0686 primarily affects Netscape Enterprise Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-1999-0686?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-1999-0686 published?: CVE-1999-0686 was published on 1999-05-07 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:netscape:enterprise_server:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:hp-ux:10.24:*:*:*:*:*:*:*

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