Which products and versions are affected by CVE-2001-0499?

Affected: Oracle8i. The full list is in the CVE brief.

Is CVE-2001-0499 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2001-0499 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2001-0499?

Public exploit code is available.

Is there a fix for CVE-2001-0499?

Fixed versions are available, including Oracle8i 8.1.7.

How urgently should CVE-2001-0499 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2001-0499

CriticalPublic exploit

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.

Published Jul 21, 2001 · Updated Apr 15, 2026

Key Facts

Patch immediately

CVE-2001-0499 is a critical-severity vulnerability (CVSS 10.0 v2) affecting Oracle8i.
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 85% probability of exploitation in the next 30 days.
Fixed versions are available, including Oracle8i 8.1.7.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v2

10.0

AV:N/AC:L/Au:N/C:C/I:C/A:C

EPSS (30-day exploit likelihood)

85%

Higher than 99.7% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2001-0499 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Affected Products

1 affected entries in total

Product	Affected versions	Fixed in
Oracle8iOracle	See advisory	8.1.7

Patched Releases

Oracle8i

8.1.7

Timeline

Publicly disclosed
Jul 21, 2001
Last updated
Apr 15, 2026

References

3 more references in the full CVE brief

FAQ

Common Questions.

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.
Affected: Oracle8i. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Oracle8i 8.1.7.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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