How severe is CVE-2001-0498?

CVE-2001-0498 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2001-0498 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-0498?

CVE-2001-0498 affects Oracle Oracle8i. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2001-0498?

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

When was CVE-2001-0498 published?

CVE-2001-0498 was published on 2001-07-21 and last updated on 2026-06-16.

CVE-2001-0498

CVE-2001-0498 is a medium-severity vulnerability in Oracle Oracle8i 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% (79th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Oracle Oracle8i
Published: 2001-07-21
Last modified: 2026-06-16

Description

Transparent Network Substrate (TNS) over Net8 (SQLNet) in Oracle 8i 8.1.7 and earlier allows remote attackers to cause a denial of service via a malformed SQLNet connection request with a large offset in the header extension.

Frequently asked questions

What is CVE-2001-0498?: Transparent Network Substrate (TNS) over Net8 (SQLNet) in Oracle 8i 8.1.7 and earlier allows remote attackers to cause a denial of service via a malformed SQLNet connection request with a large offset in the header extension.
How severe is CVE-2001-0498?: CVE-2001-0498 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2001-0498 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-0498?: CVE-2001-0498 affects Oracle Oracle8i. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2001-0498?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2001-0498 published?: CVE-2001-0498 was published on 2001-07-21 and last updated on 2026-06-16.

References

http://www.nai.com/research/covert/advisories/049.asp

Affected products (1)

cpe:2.3:a:oracle:oracle8i:*:*:*:*:*:*:*:*

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