An issue has been found in the API component of PowerDNS Authoritative 4.x up to and including 4.0.4 and 3.x up to and including 3.4.11, where some operations that have an impact on the state of the server are still allowed even though the API has been configured as read-only via the api-readonly keyword
Published Jan 23, 2018
7.1
HIGHCVSS 3.0
EPSS 1.24%
Description
An issue has been found in the API component of PowerDNS Authoritative 4.x up to and including 4.0.4 and 3.x up to and including 3.4.11, where some operations that have an impact on the state of the server are still allowed even though the API has been configured as read-only via the api-readonly keyword. This missing check allows an attacker with valid API credentials to flush the cache, trigger a zone transfer or send a NOTIFY.
Affected products
-
- Version 3.x up to and including 3.4.11StatusaffectedConstraints-
- Version 4.x up to and including 4.0.4StatusaffectedConstraints-
- 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 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PowerDNS | PowerDNS Authoritative | n/a |
|
- ≥ 3.0 · ≤ 3.4.11
- ≥ 4.0.0 · ≤ 4.0.4
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:L/PR:L/UI:N/S:U/C:N/I:L/A:H
AV:N/AC:L/Au:S/C:N/I:P/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
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.24% (0.01242) | 68.09th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.24% (0.01242) | 67.85th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.07% (0.00072) | 31.45th | v3 (v2023.03.01) |
| Jun 15, 2024 | 0.07% (0.00072) | 31.03th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.07% (0.00072) | 29.03th | 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 | 0.62% (0.00624) | 17.80th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.62% (0.00624) | 0.00th | v1 |
References (2)
- http://www.securityfocus.com/bid/101982 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2017-04.html x_refsource_CONFIRMPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/101982 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2017-04.html | x_refsource_CONFIRMPatchVendor Advisory |
Change history (0)
No recorded changes yet.