Directory traversal vulnerability in the SYNO.DNSServer.Zone.MasterZoneConf in Synology DNS Server before 2.2.1-3042 allows remote authenticated attackers to write arbitrary files via the domain_name parameter
Published Aug 24, 2017
6.5
MEDIUMCVSS 3.0
EPSS 1.99%
Description
Directory traversal vulnerability in the SYNO.DNSServer.Zone.MasterZoneConf in Synology DNS Server before 2.2.1-3042 allows remote authenticated attackers to write arbitrary files via the domain_name parameter.
Affected products
-
- Version before 2.2.1-3042StatusaffectedConstraints-
- 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 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Synology | Synology DNS Server | n/a |
|
- ≤ 2.2.0-3032
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:H/A:N
AV:N/AC:L/Au:S/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 2, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Table of values (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 1.99% (0.01989) | 79.91th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.99% (0.01989) | 77.97th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.06% (0.00062) | 27.00th | v3 (v2023.03.01) |
| Jul 13, 2024 | 0.06% (0.00062) | 26.95th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00063) | 24.91th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.52% (0.00523) | 12.55th | v1 |
| Jan 6, 2022 | 0.52% (0.00523) | 12.10th | v1 |
| Sep 1, 2021 | 0.52% (0.00523) | 32.27th | v1 |
| Apr 14, 2021 | 0.52% (0.00523) | 0.00th | v1 |
References (1)
- https://www.synology.com/en-global/support/security/Synology_SA_17_46_DNS_Server x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://www.synology.com/en-global/support/security/Synology_SA_17_46_DNS_Server | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.