How severe is CVE-1999-0784?

CVE-1999-0784 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-1999-0784 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-0784?

CVE-1999-0784 primarily affects Oracle Database 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-1999-0784?

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

When was CVE-1999-0784 published?

CVE-1999-0784 was published on 2001-03-12 and last updated on 2026-06-16.

CVE-1999-0784

CVE-1999-0784 is a medium-severity vulnerability in Oracle Database 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: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Oracle Database Server
Published: 2001-03-12
Last modified: 2026-06-16

Description

Denial of service in Oracle TNSLSNR SQL*Net Listener via a malformed string to the listener port, aka NERP.

Frequently asked questions

What is CVE-1999-0784?: Denial of service in Oracle TNSLSNR SQL*Net Listener via a malformed string to the listener port, aka NERP.
How severe is CVE-1999-0784?: CVE-1999-0784 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-1999-0784 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-0784?: CVE-1999-0784 primarily affects Oracle Database 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-1999-0784?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-1999-0784 published?: CVE-1999-0784 was published on 2001-03-12 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:oracle:database_server:7.1.4:*:*:*:*:*:*:*
cpe:2.3:a:oracle:database_server:7.3.3:*:*:*:*:*:*:*

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