In F5 BIG-IP APM software version 13.0.0 and 12.1.2, in some circumstances, APM tunneled VPN flows can cause a VPN/PPP connflow to be prematurely freed or cause TMM to stop responding with a "flow not in use" assertion
Published Dec 21, 2017
7.5
HIGHCVSS 3.0
EPSS 1.64%
Description
In F5 BIG-IP APM software version 13.0.0 and 12.1.2, in some circumstances, APM tunneled VPN flows can cause a VPN/PPP connflow to be prematurely freed or cause TMM to stop responding with a "flow not in use" assertion. An attacker may be able to disrupt traffic or cause the BIG-IP system to fail over to another device in the device group.
Affected products
-
- Version 12.1.2StatusaffectedConstraints-
- 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 Apm | n/a |
|
- 12.1.2
- 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 (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.64% (0.01637) | 75.46th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.64% (0.01637) | 73.16th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.08% (0.00079) | 34.62th | v3 (v2023.03.01) |
| Jun 14, 2024 | 0.08% (0.00079) | 34.27th | v3 (v2023.03.01) |
| May 14, 2023 | 0.08% (0.00078) | 32.27th | v3 (v2023.03.01) |
| May 8, 2023 | 0.09% (0.00094) | 38.54th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.13% (0.00134) | 46.75th | 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.securitytracker.com/id/1040047 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://support.f5.com/csp/article/K20087443 x_refsource_CONFIRMIssue TrackingVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securitytracker.com/id/1040047 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://support.f5.com/csp/article/K20087443 | x_refsource_CONFIRMIssue TrackingVendor Advisory |
Change history (0)
No recorded changes yet.