In F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, GTM, Link Controller, PEM, PSM, WebAccelerator, and WebSafe 11.6.1 HF1, 12.0.0 HF3, 12.0.0 HF4, and 12.1.0 through 12.1.2, undisclosed traffic patterns received while software SYN cookie protection is engaged may cause a disruption of service to the Traffic Management Microkernel (TMM) on specific platforms and configurations
Published May 9, 2017
5.9
MEDIUMCVSS 3.0
EPSS 1.09%
Description
In F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, GTM, Link Controller, PEM, PSM, WebAccelerator, and WebSafe 11.6.1 HF1, 12.0.0 HF3, 12.0.0 HF4, and 12.1.0 through 12.1.2, undisclosed traffic patterns received while software SYN cookie protection is engaged may cause a disruption of service to the Traffic Management Microkernel (TMM) on specific platforms and configurations.
Affected products
-
- Version 11.6.1 HF1StatusaffectedConstraints-
- Version 12.0.0 HF3StatusaffectedConstraints-
- Version 12.0.0 HF4StatusaffectedConstraints-
- Version 12.1.0 - 12.1.2StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| F5 Networks, Inc. | n/a | n/a |
|
Configuration 1
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
- 12.1.2
Configuration 2
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
- 12.1.2
Configuration 3
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
- 12.1.2
Configuration 4
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
- 12.1.2
Configuration 5
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
- 12.1.2
Configuration 6
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
- 12.1.2
Configuration 7
- 12.0.0
- 12.1.0
- 12.1.1
- 12.1.2
Configuration 8
- 11.6.1
Configuration 9
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
- 12.1.2
Configuration 10
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
- 12.1.2
Configuration 11
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
- 12.1.2
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.
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:M/Au:N/C:N/I:N/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
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.09% (0.01090) | 64.13th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.09% (0.01090) | 63.89th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.12% (0.00118) | 46.42th | v3 (v2023.03.01) |
| May 22, 2024 | 0.12% (0.00118) | 45.85th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.12% (0.00116) | 43.82th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.66% (0.00663) | 18.75th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.66% (0.00663) | 0.00th | v1 |
No CWE recorded.
References (2)
- http://www.securitytracker.com/id/1038409 vdb-entryx_refsource_SECTRACK
- https://support.f5.com/csp/article/K82851041 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securitytracker.com/id/1038409 | vdb-entryx_refsource_SECTRACK | |
| https://support.f5.com/csp/article/K82851041 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.