On BIG-IP versions 15.1.x before 15.1.4, 14.1.x before 14.1.4.4, 13.1.x beginning in 13.1.3.6, 12.1.5.3-12.1.6, and 11.6.5.2, when a FastL4 profile and an HTTP, FIX, and/or hash persistence profile are configured on the same virtual server, undisclosed requests can cause the virtual server to stop processing new client connections
Published Jan 25, 2022
5.3
MEDIUMCVSS 3.1
EPSS 0.92%
Description
On BIG-IP versions 15.1.x before 15.1.4, 14.1.x before 14.1.4.4, 13.1.x beginning in 13.1.3.6, 12.1.5.3-12.1.6, and 11.6.5.2, when a FastL4 profile and an HTTP, FIX, and/or hash persistence profile are configured on the same virtual server, undisclosed requests can cause the virtual server to stop processing new client connections. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Affected products
- Vendor n/a Product Big-IP Defaultn/a
- Version 15.1.x before 15.1.4, 14.1.x before 14.1.4.4, 13.1.x beginning in 13.1.3.6, 12.1.5.3-12.1.6, and 11.6.5.2StatusaffectedConstraints-
- 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 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Big-IP | n/a |
|
- ≥ 12.1.5.3 · ≤ 12.1.6
- ≥ 13.1.3.6 · ≤ 13.1.4
- ≥ 14.1.0 · ≤ 14.1.4
- ≥ 15.1.0 · ≤ 15.1.3
- ≥ 12.1.5.3 · ≤ 12.1.6
- ≥ 13.1.3.6 · ≤ 13.1.4
- ≥ 14.1.0 · ≤ 14.1.4
- ≥ 15.1.0 · ≤ 15.1.3
- ≥ 12.1.5.3 · ≤ 12.1.6
- ≥ 13.1.3.6 · ≤ 13.1.4
- ≥ 14.1.0 · ≤ 14.1.4
- ≥ 15.1.0 · ≤ 15.1.3
- ≥ 12.1.5.3 · ≤ 12.1.6
- ≥ 13.1.3.6 · ≤ 13.1.4
- ≥ 14.1.0 · ≤ 14.1.4
- ≥ 15.1.0 · ≤ 15.1.3
- ≥ 12.1.5.3 · ≤ 12.1.6
- ≥ 13.1.3.6 · ≤ 13.1.4
- ≥ 14.1.0 · ≤ 14.1.4
- ≥ 15.1.0 · ≤ 15.1.3
- ≥ 12.1.5.3 · ≤ 12.1.6
- ≥ 13.1.3.6 · ≤ 13.1.4
- ≥ 14.1.0 · ≤ 14.1.4
- ≥ 15.1.0 · ≤ 15.1.3
- ≥ 12.1.5.3 · ≤ 12.1.6
- ≥ 13.1.3.6 · ≤ 13.1.4
- ≥ 14.1.0 · ≤ 14.1.4
- ≥ 15.1.0 · ≤ 15.1.3
- ≥ 12.1.5.3 · ≤ 12.1.6
- ≥ 13.1.3.6 · ≤ 13.1.4
- ≥ 14.1.0 · ≤ 14.1.4
- ≥ 15.1.0 · ≤ 15.1.3
- ≥ 12.1.5.3 · ≤ 12.1.6
- ≥ 13.1.3.6 · ≤ 13.1.4
- ≥ 14.1.0 · ≤ 14.1.4
- ≥ 15.1.0 · ≤ 15.1.3
- ≥ 12.1.5.3 · ≤ 12.1.6
- ≥ 13.1.3.6 · ≤ 13.1.4
- ≥ 14.1.0 · ≤ 14.1.4
- ≥ 15.1.0 · ≤ 15.1.3
- ≥ 12.1.5.3 · ≤ 12.1.6
- ≥ 13.1.3.6 · ≤ 13.1.4
- ≥ 14.1.0 · ≤ 14.1.4
- ≥ 15.1.0 · ≤ 15.1.3
- ≥ 12.1.5.3 · ≤ 12.1.6
- ≥ 13.1.3.6 · ≤ 13.1.4
- ≥ 14.1.0 · ≤ 14.1.4
- ≥ 15.1.0 · ≤ 15.1.3
- ≥ 12.1.5.3 · ≤ 12.1.6
- ≥ 13.1.3.6 · ≤ 13.1.4
- ≥ 14.1.0 · ≤ 14.1.4
- ≥ 15.1.0 · ≤ 15.1.3
- ≥ 12.1.5.3 · ≤ 12.1.6
- ≥ 13.1.3.6 · ≤ 13.1.4
- ≥ 14.1.0 · ≤ 14.1.4
- ≥ 15.1.0 · ≤ 15.1.3
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
No CVSS v3.0 score for this CVE.
AV:N/AC:L/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
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.92% (0.00915) | 58.71th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.90% (0.00901) | 54.83th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.58% (0.00585) | 67.19th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.09% (0.00092) | 41.10th | v3 (v2023.03.01) |
| Nov 15, 2023 | 0.08% (0.00079) | 33.57th | v3 (v2023.03.01) |
| Jul 8, 2023 | 0.08% (0.00077) | 31.56th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.07% (0.00069) | 28.25th | 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 8, 2022 | 0.89% (0.00885) | 10.79th | v2 (v2022.01.01) |
References (1)
- https://support.f5.com/csp/article/K30573026 x_refsource_MISCVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://support.f5.com/csp/article/K30573026 | x_refsource_MISCVendor Advisory |
Change history (0)
No recorded changes yet.