nbd-server in Network Block Device (nbd) before 3.5 does not properly check IP addresses, which might allow remote attackers to bypass intended access restrictions via an IP address that has a partial match in the authfile configuration file
Published Dec 7, 2013
7.5
HIGHCVSS 2.0
EPSS 2.54%
Description
nbd-server in Network Block Device (nbd) before 3.5 does not properly check IP addresses, which might allow remote attackers to bypass intended access restrictions via an IP address that has a partial match in the authfile configuration file.
Affected products
No data.
Configuration 1
- ≤ 3.4
- 2.7.5
- 2.8.0
- 2.8.2
- 2.8.4
- 2.8.5
- 2.8.6
- 2.8.7
- 2.9.0
- 2.9.1
- 2.9.2
- 2.9.3
- 2.9.4
- 2.9.5
- 2.9.6
- 2.9.7
- 2.9.8
- 2.9.9
- 2.9.10
- 2.9.11
- 2.9.12
- 2.9.13
- 2.9.14
- 2.9.15
- 2.9.16
- 2.9.17
- 2.9.18
- 2.9.19
- 2.9.20
- 2.9.21
- 2.9.22
- 2.9.23
- 2.9.24
- 2.9.25
- 3.0
- 3.1
- 3.1.1
- 3.2
- 3.3
Configuration 2
- 6.0
- 7.0
Configuration 3
- 12.04
- 14.04
- 14.10
- 15.04
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.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/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
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.54% (0.02542) | 84.42th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.54% (0.02542) | 82.89th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.32% (0.00320) | 52.83th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.95% (0.00951) | 83.87th | v3 (v2023.03.01) |
| Mar 19, 2024 | 0.95% (0.00951) | 82.82th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.95% (0.00951) | 80.81th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
References (5)
- http://sourceforge.net/mailarchive/forum.php?thread_name=529BAA58.2080401%40uter.be&forum_name=nbd-general mailing-listx_refsource_MLISTPatch
- http://www.debian.org/security/2013/dsa-2806 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.openwall.com/lists/oss-security/2013/11/29/4 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.securityfocus.com/bid/64002 vdb-entryx_refsource_BID
- http://www.ubuntu.com/usn/USN-2676-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://sourceforge.net/mailarchive/forum.php?thread_name=529BAA58.2080401%40uter.be&forum_name=nbd-general | mailing-listx_refsource_MLISTPatch | |
| http://www.debian.org/security/2013/dsa-2806 | vendor-advisoryx_refsource_DEBIANThird Party Advisory | |
| http://www.openwall.com/lists/oss-security/2013/11/29/4 | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| http://www.securityfocus.com/bid/64002 | vdb-entryx_refsource_BID | |
| http://www.ubuntu.com/usn/USN-2676-1 | vendor-advisoryx_refsource_UBUNTUThird Party Advisory |
Change history (0)
No recorded changes yet.