CVE-2002-0509
Transparent Network Substrate (TNS) Listener in Oracle 9i 9.0.1.1 allows remote attackers to...
Transparent Network Substrate (TNS) Listener in Oracle 9i 9.0.1.1 allows remote attackers to cause a denial of service (CPU consumption) via a single malformed TCP packet to port 1521.
Exploit likelihood
What each source reports
NVD Score used
Transparent Network Substrate (TNS) Listener in Oracle 9i 9.0.1.1 allows remote attackers to cause a denial of service (CPU consumption) via a single malformed TCP packet to port 1521.
- Record
CVE-2002-0509- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
Transparent Network Substrate (TNS) Listener in Oracle 9i 9.0.1.1 allows remote attackers to cause a denial of service (CPU consumption) via a single malformed TCP packet to port 1521.
- Record
CVE-2002-0509- Updated
- 2026-11-02
EUVDEUVD-2002-0505 No score
Transparent Network Substrate (TNS) Listener in Oracle 9i 9.0.1.1 allows remote attackers to cause a denial of service (CPU consumption) via a single malformed TCP packet to port 1521.
- Record
EUVD-2002-0505- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3fmr-rjpp-p943 No score
Transparent Network Substrate (TNS) Listener in Oracle 9i 9.0.1.1 allows remote attackers to...
Transparent Network Substrate (TNS) Listener in Oracle 9i 9.0.1.1 allows remote attackers to cause a denial of service (CPU consumption) via a single malformed TCP packet to port 1521.
- Record
GHSA-3fmr-rjpp-p943- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2002-0509 is a medium vulnerability (CVSS 5.0) in Oracle Oracle9i, published June 11, 2002. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.67%, the 85th percentile. No source names a fixed version.