In F5 BIG-IP AAM and PEM software version 12.0.0 to 12.1.1, 11.6.0 to 11.6.1, 11.4.1 to 11.5.4, a remote attacker may create maliciously crafted HTTP request to cause Traffic Management Microkernel (TMM) to restart and temporarily fail to process traffic
Published Oct 27, 2017
5.9
MEDIUMCVSS 3.0
EPSS 3.65%
Description
In F5 BIG-IP AAM and PEM software version 12.0.0 to 12.1.1, 11.6.0 to 11.6.1, 11.4.1 to 11.5.4, a remote attacker may create maliciously crafted HTTP request to cause Traffic Management Microkernel (TMM) to restart and temporarily fail to process traffic. This issue is exposed on virtual servers using a Policy Enforcement profile or a Web Acceleration profile. Systems that do not have BIG-IP AAM module provisioned are not vulnerable. The Traffic Management Microkernel (TMM) may restart and temporarily fail to process traffic. Systems that do not have BIG-IP AAM or PEM module provisioned are not vulnerable.
Affected products
-
- Version 11.4.1 - 11.5.4StatusaffectedConstraints-
- Version 11.6.0 - 11.6.1StatusaffectedConstraints-
- Version 12.0.0 - 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, Inc. | Big-IP Aam, Pem | n/a |
|
Configuration 1
- 11.4.0
- 11.4.1
- 11.5.0
- 11.5.1
- 11.5.2
- 11.5.3
- 11.5.4
- 11.5.5
- 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
- 11.5.5
- 11.6.0
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
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: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 v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (20 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.65% (0.03645) | 89.22th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.65% (0.03645) | 88.10th | v5 (v2026.06.15) |
| Nov 21, 2025 | 4.59% (0.04588) | 88.74th | v4 (v2025.03.14) |
| Nov 18, 2025 | 8.06% (0.08061) | 91.25th | v4 (v2025.03.14) |
| Mar 30, 2025 | 4.59% (0.04588) | 88.20th | v4 (v2025.03.14) |
| Mar 29, 2025 | 8.03% (0.08029) | 86.58th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.68% (0.03684) | 87.12th | v4 (v2025.03.14) |
| Jul 20, 2024 | 1.28% (0.01282) | 85.92th | v3 (v2023.03.01) |
| May 17, 2024 | 1.28% (0.01282) | 85.70th | v3 (v2023.03.01) |
| May 8, 2023 | 1.28% (0.01282) | 83.70th | v3 (v2023.03.01) |
| Mar 20, 2023 | 2.12% (0.02124) | 87.44th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.14% (0.02142) | 87.48th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.11% (0.01110) | 29.52th | v1 |
| Jan 6, 2022 | 1.11% (0.01110) | 28.89th | v1 |
| Sep 1, 2021 | 1.11% (0.01110) | 66.78th | v1 |
| Apr 14, 2021 | 1.11% (0.01110) | 0.00th | v1 |
No CWE recorded.
References (3)
- http://www.securityfocus.com/bid/101632 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039670 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://support.f5.com/csp/article/K19430431 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/101632 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1039670 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://support.f5.com/csp/article/K19430431 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.