Under certain conditions for F5 BIG-IP systems 13.0.0 or 12.1.0 - 12.1.3.1, using FastL4 profiles, when the Reassemble IP Fragments option is disabled (default), some specific large fragmented packets may restart the Traffic Management Microkernel (TMM)
Published Mar 1, 2018
7.5
HIGHCVSS 3.0
EPSS 1.74%
Description
Under certain conditions for F5 BIG-IP systems 13.0.0 or 12.1.0 - 12.1.3.1, using FastL4 profiles, when the Reassemble IP Fragments option is disabled (default), some specific large fragmented packets may restart the Traffic Management Microkernel (TMM).
Affected products
- Vendor F5 Networks, Inc. Product BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, Link Controller, PEM, WebSafe Defaultn/a
- Version 12.1.0 - 12.1.3.1StatusaffectedConstraints-
- Version 13.0.0StatusaffectedConstraints-
- 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. | BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, Link Controller, PEM, WebSafe | n/a |
|
Configuration 1
- ≥ 12.1.0 · ≤ 12.1.3.1
- 13.0.0
Configuration 2
- ≥ 12.1.0 · ≤ 12.1.3.1
- 13.0.0
Configuration 3
- ≥ 12.1.0 · ≤ 12.1.3.1
- 13.0.0
Configuration 4
- ≥ 12.1.0 · ≤ 12.1.3.1
- 13.0.0
Configuration 5
- ≥ 12.1.0 · ≤ 12.1.3.1
- 13.0.0
Configuration 6
- ≥ 12.1.0 · ≤ 12.1.3.1
- 13.0.0
Configuration 7
- ≥ 12.1.0 · ≤ 12.1.3.1
- 13.0.0
Configuration 8
- ≥ 12.1.0 · ≤ 12.1.3.1
- 13.0.0
Configuration 9
- ≥ 12.1.0 · ≤ 12.1.3.1
- 13.0.0
Configuration 10
- ≥ 12.1.0 · ≤ 12.1.3.1
- 13.0.0
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:C
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 v2
- EPSS v3
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Table of values (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.74% (0.01736) | 76.85th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.84% (0.01835) | 76.08th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.09% (0.00094) | 40.39th | v3 (v2023.03.01) |
| Jul 23, 2023 | 0.09% (0.00093) | 38.79th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.11% (0.00112) | 42.92th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00885) | 26.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.62% (0.00624) | 17.80th | v1 |
| Jan 6, 2022 | 0.62% (0.00624) | 17.24th | v1 |
| Sep 1, 2021 | 0.62% (0.00624) | 45.04th | v1 |
| Apr 14, 2021 | 0.62% (0.00624) | 0.00th | v1 |
References (2)
- http://www.securityfocus.com/bid/103235 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://support.f5.com/csp/article/K62712037 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/103235 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://support.f5.com/csp/article/K62712037 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.