CVE-2001-0513

CVE-2001-0513 is a medium-severity vulnerability in Oracle Oracle9i 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

Description

Oracle listener process on Windows NT redirects connection requests to another port and creates a separate thread to process the request, which allows remote attackers to cause a denial of service by repeatedly connecting to the Oracle listener but not connecting to the redirected port.

Frequently asked questions

What is CVE-2001-0513?
Oracle listener process on Windows NT redirects connection requests to another port and creates a separate thread to process the request, which allows remote attackers to cause a denial of service by repeatedly connecting to the Oracle listener but not connecting to the redirected port.
How severe is CVE-2001-0513?
CVE-2001-0513 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2001-0513 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-0513?
CVE-2001-0513 affects Oracle Oracle9i. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2001-0513?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2001-0513 published?
CVE-2001-0513 was published on 2001-07-21 and last updated on 2026-06-16.

References

Affected products (1)

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