F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, GTM, Link Controller, PEM, Websafe software version 12.0.0 to 12.1.2, 11.6.0 to 11.6.1 are vulnerable to a denial of service attack when the MPTCP option is enabled on a virtual server
Published Oct 27, 2017
5.9
MEDIUMCVSS 3.0
EPSS 1.59%
Description
F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, GTM, Link Controller, PEM, Websafe software version 12.0.0 to 12.1.2, 11.6.0 to 11.6.1 are vulnerable to a denial of service attack when the MPTCP option is enabled on a virtual server. Data plane is vulnerable when using the MPTCP option of a TCP profile. There is no control plane exposure. An attacker may be able to disrupt services by causing TMM to restart hence temporarily failing to process traffic.
Affected products
-
- Version " 11.6.1StatusaffectedConstraints-
- Version €StatusaffectedConstraints-
- 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
- 11.6.0
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
- 12.1.2
Configuration 2
- 11.6.0
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
- 12.1.2
Configuration 3
- 11.6.0
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
- 12.1.2
Configuration 4
- 11.6.0
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
- 12.1.2
Configuration 5
- 11.6.0
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
- 12.1.2
Configuration 6
- 11.6.0
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
- 12.1.2
Configuration 7
- 11.6.0
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
- 12.1.2
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 3, 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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 1.59% (0.01589) | 74.79th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.59% (0.01589) | 74.54th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.26% (0.00261) | 66.25th | v3 (v2023.03.01) |
| Mar 5, 2024 | 0.26% (0.00261) | 65.10th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.26% (0.00261) | 63.10th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.30% (0.00303) | 64.88th | 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 | 1.10% (0.01100) | 29.06th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.10% (0.01100) | 0.00th | v1 |
No CWE recorded.
References (3)
- http://www.securityfocus.com/bid/101633 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039669 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://support.f5.com/csp/article/K10002335 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/101633 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1039669 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://support.f5.com/csp/article/K10002335 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.