In F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, GTM, Link Controller, PEM, Websafe software version 12.0.0 to 12.1.2, 11.6.0 to 11.6.1, 11.4.0 to 11.5.4, 11.2.1, in some cases TMM may crash when processing TCP traffic
Published Oct 27, 2017
5.9
MEDIUMCVSS 3.0
EPSS 1.67%
Description
In F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, GTM, Link Controller, PEM, Websafe software version 12.0.0 to 12.1.2, 11.6.0 to 11.6.1, 11.4.0 to 11.5.4, 11.2.1, in some cases TMM may crash when processing TCP traffic. This vulnerability affects TMM via a virtual server configured with TCP profile. Traffic processing is disrupted while Traffic Management Microkernel (TMM) restarts. If the affected BIG-IP system is configured to be part of a device group, it will trigger a failover to the peer device.
Affected products
-
- Version " 11.5.4StatusaffectedConstraints-
- Version " 11.6.1StatusaffectedConstraints-
- Version €StatusaffectedConstraints-
- Version 11.2.1StatusaffectedConstraints-
- Version 11.4.0 âStatusaffectedConstraints-
- Version 11.6.0 âStatusaffectedConstraints-
- Version 12.0.0 - 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
- ≥ 11.5.0 · ≤ 11.5.4
- 11.2.1
- 11.6.0
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
Configuration 2
- ≥ 11.5.0 · ≤ 11.5.4
- 11.2.1
- 11.6.0
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
Configuration 3
- ≥ 11.5.0 · ≤ 11.5.4
- 11.2.1
- 11.6.0
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
Configuration 4
- ≥ 11.5.0 · ≤ 11.5.4
- 11.2.1
- 11.6.0
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
Configuration 5
- ≥ 11.5.0 · ≤ 11.5.4
- 11.2.1
- 11.6.0
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
Configuration 6
- ≥ 11.5.0 · ≤ 11.5.4
- 11.2.1
- 11.6.0
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
Configuration 7
- ≥ 11.5.0 · ≤ 11.5.4
- 11.2.1
- 11.6.0
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
Configuration 8
- 1.0.0
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: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
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.67% (0.01674) | 76.00th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.67% (0.01674) | 73.75th | v5 (v2026.06.15) |
| Mar 29, 2025 | 2.23% (0.02231) | 74.15th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.28% (0.00280) | 68.73th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.28% (0.00280) | 67.51th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.28% (0.00280) | 64.40th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.65% (0.00653) | 76.28th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00954) | 36.37th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00954) | 16.28th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.88% (0.00884) | 25.39th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.88% (0.00884) | 0.00th | v1 |
References (3)
- http://www.securityfocus.com/bid/101635 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039673 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://support.f5.com/csp/article/K13421245 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/101635 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1039673 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://support.f5.com/csp/article/K13421245 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.