An issue was discovered in OpenZFS through 2.0.3
Published Feb 12, 2021
7.5
HIGHCVSS 3.1
EPSS 2.08%
Description
An issue was discovered in OpenZFS through 2.0.3. When an NFS share is exported to IPv6 addresses via the sharenfs feature, there is a silent failure to parse the IPv6 address data, and access is allowed to everyone. IPv6 restrictions from the configuration are not applied.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
No CVSS v3.0 score for this CVE.
AV:N/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 2, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- 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 | 2.08% (0.02084) | 80.88th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.08% (0.02084) | 79.04th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.15% (0.00154) | 33.57th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.19% (0.00186) | 57.21th | v3 (v2023.03.01) |
| Mar 19, 2024 | 0.19% (0.00186) | 54.92th | v3 (v2023.03.01) |
| Nov 24, 2023 | 0.20% (0.00199) | 57.72th | v3 (v2023.03.01) |
| Oct 29, 2023 | 0.18% (0.00178) | 54.84th | v3 (v2023.03.01) |
| Sep 19, 2023 | 0.16% (0.00161) | 52.35th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.13% (0.00130) | 46.15th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00885) | 26.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
No CWE recorded.
References (4)
- https://github.com/openzfs/zfs/issues/1894#issuecomment-30693652 ExploitThird Party Advisory
- https://github.com/openzfs/zfs/releases Release NotesThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2024/03/msg00019.html mailing-list
- https://lists.debian.org/debian-lts-announce/2025/04/msg00009.html
| Link | Providers | Tags |
|---|---|---|
| https://github.com/openzfs/zfs/issues/1894#issuecomment-30693652 | ExploitThird Party Advisory | |
| https://github.com/openzfs/zfs/releases | Release NotesThird Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2024/03/msg00019.html | mailing-list | |
| https://lists.debian.org/debian-lts-announce/2025/04/msg00009.html |
Change history (0)
No recorded changes yet.