In F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, GTM, Link Controller, PEM, WebAccelerator software version 12.0.0 - 12.1.2, 11.6.0 - 11.6.1, 11.4.0 - 11.5.4, 11.2.1, when ConfigSync is configured, attackers on adjacent networks may be able to bypass the TLS protections usually used to encrypted and authenticate connections to mcpd
Published Oct 27, 2017
5.3
MEDIUMCVSS 3.0
EPSS 0.97%
Description
In F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, GTM, Link Controller, PEM, WebAccelerator software version 12.0.0 - 12.1.2, 11.6.0 - 11.6.1, 11.4.0 - 11.5.4, 11.2.1, when ConfigSync is configured, attackers on adjacent networks may be able to bypass the TLS protections usually used to encrypted and authenticate connections to mcpd. This vulnerability may allow remote attackers to cause a denial-of-service (DoS) attack via resource exhaustion.
Affected products
-
- Version " 11.5.4StatusaffectedConstraints-
- Version " 11.6.1StatusaffectedConstraints-
- Version €StatusaffectedConstraints-
- Version 11.2.1StatusaffectedConstraints-
- Version 11.4.0 âStatusaffectedConstraints-
- Version 11.6.0 âStatusaffectedConstraints-
- 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. | n/a | n/a |
|
Configuration 1
- ≥ 11.5.0 · ≤ 11.5.4
- 11.2.1
- 11.6.0
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
- 12.1.2
Configuration 2
- ≥ 11.5.0 · ≤ 11.5.4
- 11.2.1
- 11.6.0
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
- 12.1.2
Configuration 3
- ≥ 11.5.0 · ≤ 11.5.4
- 11.2.1
- 11.6.0
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
- 12.1.2
Configuration 4
- ≥ 11.5.0 · ≤ 11.5.4
- 11.2.1
- 11.6.0
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
- 12.1.2
Configuration 5
- ≥ 11.5.0 · ≤ 11.5.4
- 11.2.1
- 11.6.0
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
- 12.1.2
Configuration 6
- ≥ 11.5.0 · ≤ 11.5.4
- 11.2.1
- 11.6.0
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
- 12.1.2
Configuration 7
- ≥ 11.5.0 · ≤ 11.5.4
- 11.2.1
- 11.6.0
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
- 12.1.2
Configuration 8
- ≥ 11.4.0 · ≤ 11.5.4
- 11.2.1
- 11.6.0
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
- 12.1.2
Configuration 9
- 11.2.1
- 11.4.0
- 11.4.1
- 11.5.0
- 11.5.1
- 11.5.2
- 11.5.3
- 11.5.4
- 11.5.5
- 11.6.0
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
- 12.1.2
Configuration 10
- 11.2.1
- 11.4.0
- 11.4.1
- 11.5.0
- 11.5.1
- 11.5.2
- 11.5.3
- 11.5.4
- 11.6.0
- 11.6.1
- 12.0.0
- 12.1.0
- 12.1.1
- 12.1.2
Configuration 11
- 11.2.1
- 11.4.0
- 11.4.1
- 11.5.0
- 11.5.1
- 11.5.2
- 11.5.3
- 11.5.4
- 11.5.5
- 11.6.0
- 11.6.1
- 11.6.2
- 12.0.0
- 12.1.0
- 12.1.1
- 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:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:A/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
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.97% (0.00971) | 60.55th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.97% (0.00971) | 57.17th | v5 (v2026.06.15) |
| Mar 30, 2025 | 2.59% (0.02586) | 84.25th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.26% (0.04263) | 81.02th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.07% (0.02065) | 82.72th | v4 (v2025.03.14) |
| Dec 17, 2024 | 0.38% (0.00384) | 72.79th | v3 (v2023.03.01) |
| Mar 12, 2024 | 0.47% (0.00470) | 75.02th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.44% (0.00438) | 74.03th | v3 (v2023.03.01) |
| Oct 7, 2023 | 0.44% (0.00438) | 71.82th | v3 (v2023.03.01) |
| Sep 6, 2023 | 0.37% (0.00371) | 69.22th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.31% (0.00309) | 66.16th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.55% (0.00549) | 73.96th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.39% (0.01386) | 32.11th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.39% (0.01386) | 0.00th | v1 |
References (4)
- http://www.securityfocus.com/bid/101636 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039675 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039676 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://support.f5.com/csp/article/K62279530 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/101636 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1039675 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1039676 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://support.f5.com/csp/article/K62279530 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.