How severe is CVE-2001-0499?

CVE-2001-0499 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2001-0499 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 85% (100th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-0499?

CVE-2001-0499 affects Oracle Oracle8i. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2001-0499?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2001-0499 published?

CVE-2001-0499 was published on 2001-07-21 and last updated on 2026-06-16.

CVE-2001-0499

CVE-2001-0499 is a critical-severity vulnerability in Oracle Oracle8i with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 85% places it in the 100th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 85% (100th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Oracle Oracle8i
Published: 2001-07-21
Last modified: 2026-06-16

Description

Buffer overflow in Transparent Network Substrate (TNS) Listener in Oracle 8i 8.1.7 and earlier allows remote attackers to gain privileges via a long argument to the commands (1) STATUS, (2) PING, (3) SERVICES, (4) TRC_FILE, (5) SAVE_CONFIG, or (6) RELOAD.

Frequently asked questions

What is CVE-2001-0499?: Buffer overflow in Transparent Network Substrate (TNS) Listener in Oracle 8i 8.1.7 and earlier allows remote attackers to gain privileges via a long argument to the commands (1) STATUS, (2) PING, (3) SERVICES, (4) TRC_FILE, (5) SAVE_CONFIG, or (6) RELOAD.
How severe is CVE-2001-0499?: CVE-2001-0499 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2001-0499 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 85% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-0499?: CVE-2001-0499 affects Oracle Oracle8i. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2001-0499?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2001-0499 published?: CVE-2001-0499 was published on 2001-07-21 and last updated on 2026-06-16.

References

Affected products (1)

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

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