On F5 BIG-IP DNS 13.1.0-13.1.0.7, 12.1.3-12.1.3.5, DNS Express / DNS Zones accept NOTIFY messages on the management interface from source IP addresses not listed in the 'Allow NOTIFY From' configuration parameter when the db variable "dnsexpress.notifyport" is set to any value other than the default of "0"
Published Jul 25, 2018
3.7
LOWCVSS 3.0
EPSS 0.78%
Description
On F5 BIG-IP DNS 13.1.0-13.1.0.7, 12.1.3-12.1.3.5, DNS Express / DNS Zones accept NOTIFY messages on the management interface from source IP addresses not listed in the 'Allow NOTIFY From' configuration parameter when the db variable "dnsexpress.notifyport" is set to any value other than the default of "0".
Affected products
-
- Version 12.1.3-12.1.3.5StatusaffectedConstraints-
- Version 13.1.0-13.1.0.7StatusaffectedConstraints-
- 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 (dns) | n/a |
|
Configuration 1
- ≥ 12.1.3 · ≤ 12.1.3.5
- > 13.1.0 · ≤ 13.1.0.7
Configuration 2
- ≥ 12.1.3 · ≤ 12.1.3.5
- ≥ 13.1.0 · ≤ 13.1.0.7
Configuration 3
- ≥ 12.1.3 · ≤ 12.1.3.5
- ≥ 13.1.0 · ≤ 13.1.0.7
Configuration 4
- ≥ 12.1.3 · ≤ 12.1.3.5
- ≥ 13.1.0 · ≤ 13.1.0.7
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:L/A:N
AV:N/AC:M/Au:N/C:N/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 | 0.78% (0.00782) | 54.37th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.78% (0.00782) | 54.48th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.07% (0.00068) | 30.45th | v3 (v2023.03.01) |
| Jun 2, 2024 | 0.07% (0.00068) | 29.78th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.07% (0.00067) | 27.75th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.08% (0.00084) | 33.94th | 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 |
No CWE recorded.
References (1)
- https://support.f5.com/csp/article/K45435121 x_refsource_CONFIRMMitigationVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://support.f5.com/csp/article/K45435121 | x_refsource_CONFIRMMitigationVendor Advisory |
Change history (0)
No recorded changes yet.