Virtual servers in F5 BIG-IP systems 11.6.1 before 11.6.1 HF1 and 12.1.x before 12.1.2, when configured to parse RADIUS messages via an iRule, allow remote attackers to cause a denial of service (Traffic Management Microkernel restart) via crafted network traffic
Published Jan 3, 2017
5.9
MEDIUMCVSS 3.0
EPSS 1.84%
Description
Virtual servers in F5 BIG-IP systems 11.6.1 before 11.6.1 HF1 and 12.1.x before 12.1.2, when configured to parse RADIUS messages via an iRule, allow remote attackers to cause a denial of service (Traffic Management Microkernel restart) via crafted network traffic.
Affected products
- Vendor F5 Networks Product F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, GTM, Link Controller, PEM Defaultn/a
- Version 11.6.1 before 11.6.1 HF1 and 12.1.x before 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 | F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, GTM, Link Controller, PEM | n/a |
|
Configuration 1
- 11.6.1
- 12.1.0
- 12.1.1
Configuration 2
- 11.6.1
- 12.1.0
- 12.1.1
Configuration 3
- 11.6.1
- 12.1.0
- 12.1.1
Configuration 4
- 11.6.1
- 12.1.0
- 12.1.1
Configuration 5
- 11.6.1
- 12.1.0
- 12.1.1
Configuration 6
- 11.6.1
- 12.1.0
- 12.1.1
Configuration 7
- 12.1.0
- 12.1.1
Configuration 8
- 11.6.1
Configuration 9
- 11.6.1
- 12.1.0
- 12.1.1
Configuration 10
- 11.6.1
- 12.1.0
- 12.1.1
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 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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.84% (0.01837) | 78.17th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.82% (0.01822) | 75.89th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.34% (0.01342) | 78.21th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.43% (0.02432) | 75.20th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.07% (0.01067) | 76.17th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.43% (0.00427) | 75.20th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.43% (0.00427) | 73.69th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.43% (0.00427) | 70.39th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
References (3)
- http://www.securityfocus.com/bid/95228 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1037510 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://support.f5.com/csp/#/article/K92859602 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/95228 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1037510 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://support.f5.com/csp/#/article/K92859602 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.