X509 certificate verification was not correctly implemented in the IP Intelligence Subscription and IP Intelligence feed-list features, and thus the remote server's identity is not properly validated in F5 BIG-IP 12.0.0-12.1.2, 11.6.0-11.6.2, or 11.5.0-11.5.5
Published Apr 13, 2018
5.4
MEDIUMCVSS 3.0
EPSS 0.42%
Description
X509 certificate verification was not correctly implemented in the IP Intelligence Subscription and IP Intelligence feed-list features, and thus the remote server's identity is not properly validated in F5 BIG-IP 12.0.0-12.1.2, 11.6.0-11.6.2, or 11.5.0-11.5.5.
Affected products
-
- Version 11.5.0-11.5.5StatusaffectedConstraints-
- Version 11.6.0-11.6.2StatusaffectedConstraints-
- 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. | Big-IP (afm, Asm) | n/a |
|
Configuration 1
- ≥ 11.5.1 · ≤ 11.5.5
- ≥ 11.6.1 · ≤ 11.6.2
- ≥ 12.1.0 · ≤ 12.1.2
Configuration 2
- ≥ 11.5.1 · ≤ 11.5.5
- ≥ 11.6.1 · ≤ 11.6.2
- > 12.1.0 · ≤ 12.1.2
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:C/C:L/I:L/A:N
AV:N/AC:M/Au:N/C:P/I:P/A:N
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 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 1, 2026 | 0.42% (0.00419) | 33.88th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.43% (0.00427) | 36.56th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.08% (0.00085) | 36.63th | v3 (v2023.03.01) |
| Jul 13, 2024 | 0.08% (0.00085) | 36.62th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.08% (0.00084) | 34.59th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.07% (0.00065) | 26.54th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.42% (0.00416) | 10.04th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.42% (0.00416) | 0.00th | v1 |
References (1)
- https://support.f5.com/csp/article/K11464209 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://support.f5.com/csp/article/K11464209 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.