MEDIUM
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
Published Jun 11, 2002
5.0
MEDIUMCVSS 2.0
EPSS 2.67%
Description
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.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
2.67% 0.02666
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.02666
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.67% (0.02666) | 85.20th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.67% (0.02666) | 83.72th | v5 (v2026.06.15) |
| Mar 19, 2025 | 0.86% (0.00864) | 72.69th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.27% (0.03270) | 86.32th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.61% (0.02612) | 90.69th | v3 (v2023.03.01) |
| Oct 20, 2023 | 2.61% (0.02612) | 89.12th | v3 (v2023.03.01) |
| Apr 9, 2023 | 5.09% (0.05088) | 91.68th | v3 (v2023.03.01) |
| Mar 7, 2023 | 9.62% (0.09618) | 93.78th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (3)
- http://online.securityfocus.com/archive/1/264697 mailing-listx_refsource_BUGTRAQVendor Advisory
- http://www.iss.net/security_center/static/8657.php vdb-entryx_refsource_XFVendor Advisory
- http://www.securityfocus.com/bid/4391 vdb-entryx_refsource_BIDVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://online.securityfocus.com/archive/1/264697 | mailing-listx_refsource_BUGTRAQVendor Advisory | |
| http://www.iss.net/security_center/static/8657.php | vdb-entryx_refsource_XFVendor Advisory | |
| http://www.securityfocus.com/bid/4391 | vdb-entryx_refsource_BIDVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jun 11, 2002
Updated Aug 8, 2024
Reserved Jun 7, 2002
Link CVE-2002-0509
CISA Vulnrichment
Updated n/a