On BIG-IP 14.1.0-14.1.0.5, 14.0.0-14.0.0.4, 13.0.0-13.1.1.4, and 12.1.0-12.1.4, under certain circumstances, attackers can decrypt configuration items that are encrypted because the vCMP configuration unit key is generated with insufficient randomness
Published Jul 3, 2019
5.5
MEDIUMCVSS 3.0
EPSS 0.37%
Description
On BIG-IP 14.1.0-14.1.0.5, 14.0.0-14.0.0.4, 13.0.0-13.1.1.4, and 12.1.0-12.1.4, under certain circumstances, attackers can decrypt configuration items that are encrypted because the vCMP configuration unit key is generated with insufficient randomness. The attack prerequisite is direct access to encrypted configuration and/or UCS files.
Affected products
-
- Version 12.1.0-12.1.4StatusaffectedConstraints-
- Version 13.0.0-13.1.1.4StatusaffectedConstraints-
- Version 14.0.0-14.0.0.4StatusaffectedConstraints-
- Version BIG-IP 14.1.0-14.1.0.5StatusaffectedConstraints-
- Version
Configuration 1
- ≥ 12.1.0 · < 12.1.4.1
- ≥ 13.0.0 · < 13.1.1.5
- ≥ 14.0.0 · < 14.0.0.5
- ≥ 14.1.0 · < 14.1.0.6
Configuration 2
- ≥ 12.1.0 · < 12.1.4.1
- ≥ 13.0.0 · < 13.1.1.5
- ≥ 14.0.0 · < 14.0.0.5
- ≥ 14.1.0 · < 14.1.0.6
Configuration 3
- ≥ 12.1.0 · < 12.1.4.1
- ≥ 13.0.0 · < 13.1.1.5
- ≥ 14.0.0 · < 14.0.0.5
- ≥ 14.1.0 · < 14.1.0.6
Configuration 4
- ≥ 12.1.0 · < 12.1.4.1
- ≥ 13.0.0 · < 13.1.1.5
- ≥ 14.0.0 · < 14.0.0.5
- ≥ 14.1.0 · < 14.1.0.6
Configuration 5
- ≥ 12.1.0 · < 12.1.4.1
- ≥ 13.0.0 · < 13.1.1.5
- ≥ 14.0.0 · < 14.0.0.5
- ≥ 14.1.0 · < 14.1.0.6
Configuration 6
- ≥ 12.1.0 · < 12.1.4.1
- ≥ 13.0.0 · < 13.1.1.5
- ≥ 14.0.0 · < 14.0.0.5
- ≥ 14.1.0 · < 14.1.0.6
Configuration 7
- ≥ 12.1.0 · < 12.1.4.1
- ≥ 13.0.0 · < 13.1.1.5
- ≥ 14.0.0 · < 14.0.0.5
- ≥ 14.1.0 · < 14.1.0.6
Configuration 8
- ≥ 12.1.0 · < 12.1.4.1
- ≥ 13.0.0 · < 13.1.1.5
- ≥ 14.0.0 · < 14.0.0.5
- ≥ 14.1.0 · < 14.1.0.6
Configuration 9
- ≥ 12.1.0 · < 12.1.4.1
- ≥ 13.0.0 · < 13.1.1.5
- ≥ 14.0.0 · < 14.0.0.5
- ≥ 14.1.0 · < 14.1.0.6
Configuration 10
- ≥ 12.1.0 · < 12.1.4.1
- ≥ 13.0.0 · < 13.1.1.5
- ≥ 14.0.0 · < 14.0.0.5
- ≥ 14.1.0 · < 14.1.0.6
Configuration 11
- ≥ 12.1.0 · < 12.1.4.1
- ≥ 13.0.0 · < 13.1.1.5
- ≥ 14.0.0 · < 14.0.0.5
- ≥ 14.1.0 · < 14.1.0.6
Configuration 12
- ≥ 12.1.0 · < 12.1.4.1
- ≥ 13.0.0 · < 13.1.1.5
- ≥ 14.0.0 · < 14.0.0.5
- ≥ 14.1.0 · < 14.1.0.6
Configuration 13
- ≥ 12.1.0 · < 12.1.4.1
- ≥ 13.0.0 · < 13.1.1.5
- ≥ 14.0.0 · < 14.0.0.5
- ≥ 14.1.0 · < 14.1.0.6
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:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
AV:L/AC:L/Au:N/C:P/I:N/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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.37% (0.00371) | 28.68th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.37% (0.00371) | 31.02th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.04% (0.00044) | 12.95th | v3 (v2023.03.01) |
| May 25, 2024 | 0.04% (0.00044) | 12.27th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00044) | 10.26th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.40% (0.01404) | 49.02th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.74% (0.02742) | 63.06th | v1 |
| Jan 6, 2022 | 2.74% (0.02742) | 62.72th | v1 |
| Jan 5, 2022 | 0.62% (0.00624) | 46.35th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.62% (0.00624) | 0.00th | v1 |
References (2)
- http://www.securityfocus.com/bid/109112 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://support.f5.com/csp/article/K01413496 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/109112 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://support.f5.com/csp/article/K01413496 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.