The Traffic Management Microkernel (TMM) in F5 BIG-IP before 11.5.4 HF3, 11.6.x before 11.6.1 HF2 and 12.x before 12.1.2 does not properly handle minimum path MTU options for IPv6, which allows remote attackers to cause a denial-of-service (DoS) through unspecified vectors
Published Mar 27, 2017
7.5
HIGHCVSS 3.0
EPSS 1.78%
Description
The Traffic Management Microkernel (TMM) in F5 BIG-IP before 11.5.4 HF3, 11.6.x before 11.6.1 HF2 and 12.x before 12.1.2 does not properly handle minimum path MTU options for IPv6, which allows remote attackers to cause a denial-of-service (DoS) through unspecified vectors.
Affected products
-
- Version 10.2.1, 10.2.2, 10.2.3, 10.2.4, 11.2.1, 11.4.0, 11.4.1, 11.5.0, 11.5.1, 11.5.2, 11.5.3, 11.5.4, 11.6.0, 11.6.1, 12.0.0, 12.1.0, 12.1.1StatusaffectedConstraints-
- 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 | n/a | n/a |
|
Configuration 1
- 10.2.1
- 10.2.2
- 10.2.3
- 10.2.4
- 11.2.1
- 11.4.0
- 11.4.1
- 11.5.0
- 11.5.1
- 11.5.2
- 11.5.3
- 11.5.4
- 11.6.0
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
Configuration 2
- 11.4.0
- 11.4.1
- 11.5.0
- 11.5.1
- 11.5.2
- 11.5.3
- 11.5.4
- 11.6.0
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
Configuration 3
- 11.4.0
- 11.4.1
- 11.5.0
- 11.5.1
- 11.5.2
- 11.5.3
- 11.5.4
- 11.6.0
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
Configuration 4
- 11.2.1
- 11.4.0
- 11.4.1
- 11.5.0
- 11.5.1
- 11.5.2
- 11.5.3
- 11.5.4
- 11.6.0
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
Configuration 5
- 10.2.1
- 10.2.2
- 10.2.3
- 10.2.4
- 11.2.1
- 11.4.0
- 11.4.1
- 11.5.0
- 11.5.1
- 11.5.2
- 11.5.3
- 11.5.4
- 11.6.0
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
Configuration 6
- 10.2.1
- 10.2.2
- 10.2.3
- 10.2.4
- 11.2.1
- 11.4.0
- 11.4.1
- 11.5.0
- 11.5.1
- 11.5.2
- 11.5.3
- 11.5.4
- 11.6.0
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
Configuration 7
- 12.0.0
- 12.1.0
- 12.1.1
Configuration 8
- 10.2.1
- 10.2.2
- 10.2.3
- 10.2.4
- 11.2.1
- 11.4.0
- 11.4.1
- 11.5.0
- 11.5.1
- 11.5.2
- 11.5.3
- 11.5.4
- 11.6.0
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
Configuration 9
- 11.4.0
- 11.4.1
- 11.5.0
- 11.5.1
- 11.5.2
- 11.5.3
- 11.5.4
- 11.6.0
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
Configuration 10
- 11.6.0
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
Configuration 11
- 10.2.1
- 10.2.2
- 10.2.3
- 10.2.4
- 11.2.1
Configuration 12
- 10.2.1
- 10.2.2
- 10.2.3
- 10.2.4
- 11.2.1
- 11.4.0
- 11.4.1
- 11.5.0
- 11.5.1
- 11.5.2
- 11.5.3
- 11.5.4
- 11.6.0
- 11.6.1
Configuration 13
- 10.2.1
- 10.2.2
- 10.2.3
- 10.2.4
- 11.2.1
- 11.4.0
- 11.4.1
Configuration 14
- 10.2.1
- 10.2.2
- 10.2.3
- 10.2.4
- 11.2.1
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:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:L/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
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 | 1.78% (0.01780) | 77.45th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.78% (0.01780) | 75.30th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.20% (0.01195) | 76.97th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.30% (0.02300) | 74.52th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.20% (0.01195) | 77.45th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.24% (0.00235) | 62.47th | v3 (v2023.03.01) |
| Jun 14, 2024 | 0.24% (0.00235) | 61.76th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.24% (0.00235) | 59.76th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
References (2)
- http://www.securitytracker.com/id/1038132 vdb-entryx_refsource_SECTRACK
- https://support.f5.com/csp/article/K46535047 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securitytracker.com/id/1038132 | vdb-entryx_refsource_SECTRACK | |
| https://support.f5.com/csp/article/K46535047 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.