CVE-2001-0498: n/a vulnerability

CVE-2001-0498: Transparent Network Substrate (TNS) over Net8 (SQLNet) in Oracle 8i 8.1.7 and earlier allows remote attacke...

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.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 8, 2024, 04:21 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2001-0498 is a denial-of-service flaw in Oracle 8i SQLNet/TNS handling. A remote attacker could send a malformed connection request and crash or disrupt database network service. The bundle does not provide CVSS, confirmed exploitation, or a specific patch reference. Exposure is most likely in legacy environments still running Oracle 8i 8.1.7 or earlier with SQLNet/TNS reachable over a network. Internet-exposed listeners would raise urgency, but the provided sources do not confirm prevalence or current exposure. Prioritize if legacy Oracle 8i systems support important business services or expose SQLNet/TNS to untrusted networks. If no such systems exist, residual business risk is likely low. The main concern is service disruption, not confirmed compromise. Mitigation focus: Inventory Oracle 8i 8.1.7 and earlier systems using SQLNet/TNS.; Remove public exposure from any affected SQLNet/TNS listener.; Check Oracle archival guidance for the appropriate vendor-supported remediation..

Prepared: Jul 1, 2026, 09:17 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jul 27, 2001, 04:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

1Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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