On versions 15.0.0-15.0.1.1, 14.0.0-14.1.2.2, 13.1.0-13.1.3.1, 12.1.0-12.1.5, and 11.5.2-11.6.5.1, the BIG-IP ASM system may consume excessive resources when processing certain types of HTTP responses from the origin web server
Published Dec 23, 2019
7.5
HIGHCVSS 3.1
EPSS 1.01%
Description
On versions 15.0.0-15.0.1.1, 14.0.0-14.1.2.2, 13.1.0-13.1.3.1, 12.1.0-12.1.5, and 11.5.2-11.6.5.1, the BIG-IP ASM system may consume excessive resources when processing certain types of HTTP responses from the origin web server. This vulnerability is only known to affect resource-constrained systems in which the security policy is configured with response-side features, such as Data Guard or response-side learning.
Affected products
-
- Version 11.5.2-11.6.5.1StatusaffectedConstraints-
- Version 12.1.0-12.1.5StatusaffectedConstraints-
- Version 13.1.0-13.1.3.1StatusaffectedConstraints-
- Version 14.0.0-14.1.2.2StatusaffectedConstraints-
- Version 15.0.0-15.0.1.1StatusaffectedConstraints-
- 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 | Big-IP Asm | n/a |
|
- ≥ 11.5.2 · ≤ 11.6.5
- ≥ 12.1.0 · ≤ 12.1.5
- ≥ 13.1.0 · < 13.1.3.2
- ≥ 14.1.0 · < 14.1.2.3
- ≥ 15.0.0 · < 15.1.0
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
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 2, 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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 1.01% (0.01014) | 61.98th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.01% (0.01014) | 61.74th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.10% (0.00103) | 42.78th | v3 (v2023.03.01) |
| Jul 3, 2024 | 0.10% (0.00103) | 42.67th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.10% (0.00103) | 40.66th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 8.26% (0.08260) | 82.24th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.95% (0.01953) | 49.98th | v1 |
| Jan 6, 2022 | 1.95% (0.01953) | 49.47th | v1 |
| Jan 5, 2022 | 0.44% (0.00442) | 28.89th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.44% (0.00442) | 0.00th | v1 |
References (1)
- https://support.f5.com/csp/article/K40452417 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://support.f5.com/csp/article/K40452417 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.