The TNS Listener, as used in Oracle Database 11g 11.1.0.7, 11.2.0.2, and 11.2.0.3, and 10g 10.2.0.3, 10.2.0.4, and 10.2.0.5, as used in Oracle Fusion Middleware, Enterprise Manager, E-Business Suite, and possibly other products, allows remote attackers to execute arbitrary database commands by performing a remote registration of a database (1) instance or (2) service name that already exists, then conducting a man-in-the-middle (MITM) attack to hijack database connections, aka "TNS Poison."
Published May 8, 2012
7.5
HIGHCVSS 2.0
EPSS 77.43%
Description
The TNS Listener, as used in Oracle Database 11g 11.1.0.7, 11.2.0.2, and 11.2.0.3, and 10g 10.2.0.3, 10.2.0.4, and 10.2.0.5, as used in Oracle Fusion Middleware, Enterprise Manager, E-Business Suite, and possibly other products, allows remote attackers to execute arbitrary database commands by performing a remote registration of a database (1) instance or (2) service name that already exists, then conducting a man-in-the-middle (MITM) attack to hijack database connections, aka "TNS Poison."
Affected products
No data.
- 10.2.0.3
- 10.2.0.4
- 10.2.0.5
- 11.1.0.7
- 11.2.0.2
- 11.2.0.3
- 11.2.0.4
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
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.
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
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 | 77.43% (0.77426) | 99.55th | v5 (v2026.06.15) |
| Jun 15, 2026 | 77.63% (0.77633) | 99.50th | v5 (v2026.06.15) |
| Mar 7, 2026 | 91.19% (0.91191) | 99.64th | v4 (v2025.03.14) |
| Oct 16, 2025 | 92.55% (0.92546) | 99.73th | v4 (v2025.03.14) |
| Mar 17, 2025 | 91.41% (0.91411) | 99.65th | v4 (v2025.03.14) |
| Dec 12, 2024 | 97.34% (0.97336) | 99.92th | v3 (v2023.03.01) |
| Mar 23, 2024 | 97.37% (0.97368) | 99.90th | v3 (v2023.03.01) |
| Jun 2, 2023 | 97.38% (0.97383) | 99.85th | v3 (v2023.03.01) |
| Mar 29, 2023 | 97.28% (0.97285) | 99.73th | v3 (v2023.03.01) |
| Mar 7, 2023 | 97.38% (0.97383) | 99.81th | v3 (v2023.03.01) |
| Mar 6, 2023 | 60.02% (0.60019) | 98.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 60.02% (0.60019) | 98.62th | v2 (v2022.01.01) |
References (10)
- http://lists.opensuse.org/opensuse-security-announce/2012-06/msg00018.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://seclists.org/fulldisclosure/2012/Apr/204 mailing-listx_refsource_FULLDISCExploitMailing ListThird Party Advisory
- http://seclists.org/fulldisclosure/2012/Apr/343 mailing-listx_refsource_FULLDISCMailing ListThird Party Advisory
- http://www.kb.cert.org/vuls/id/359816 third-party-advisoryx_refsource_CERT-VNThird Party AdvisoryUS Government Resource
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:150 vendor-advisoryx_refsource_MANDRIVAThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/alert-cve-2012-1675-1608180.html x_refsource_CONFIRMVendor Advisory
- http://www.securityfocus.com/bid/53308 vdb-entryx_refsource_BIDExploitThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id?1027000 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://blogs.oracle.com/security/entry/security_alert_for_cve_2012 x_refsource_CONFIRMVendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/75303 vdb-entryx_refsource_XFVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2012-06/msg00018.html | vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory | |
| http://seclists.org/fulldisclosure/2012/Apr/204 | mailing-listx_refsource_FULLDISCExploitMailing ListThird Party Advisory | |
| http://seclists.org/fulldisclosure/2012/Apr/343 | mailing-listx_refsource_FULLDISCMailing ListThird Party Advisory | |
| http://www.kb.cert.org/vuls/id/359816 | third-party-advisoryx_refsource_CERT-VNThird Party AdvisoryUS Government Resource | |
| http://www.mandriva.com/security/advisories?name=MDVSA-2013:150 | vendor-advisoryx_refsource_MANDRIVAThird Party Advisory | |
| http://www.oracle.com/technetwork/topics/security/alert-cve-2012-1675-1608180.html | x_refsource_CONFIRMVendor Advisory | |
| http://www.securityfocus.com/bid/53308 | vdb-entryx_refsource_BIDExploitThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id?1027000 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://blogs.oracle.com/security/entry/security_alert_for_cve_2012 | x_refsource_CONFIRMVendor Advisory | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/75303 | vdb-entryx_refsource_XFVDB Entry |
Change history (0)
No recorded changes yet.