Insufficient checks in the UDF subsystem in Firebird 2.5.x before 2.5.7 and 3.0.x before 3.0.2 allow remote authenticated users to execute code by using a 'system' entrypoint from fbudf.so
Published Mar 24, 2017
8.8
HIGHCVSS 3.1
EPSS 3.27%
Description
Insufficient checks in the UDF subsystem in Firebird 2.5.x before 2.5.7 and 3.0.x before 3.0.2 allow remote authenticated users to execute code by using a 'system' entrypoint from fbudf.so.
Affected products
No data.
- ≥ 2.5.0 · < 2.5.7
- ≥ 3.0.0 · < 3.0.2
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:S/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
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.27% (0.03273) | 88.00th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.27% (0.03273) | 86.76th | v5 (v2026.06.15) |
| Nov 21, 2025 | 9.41% (0.09412) | 92.47th | v4 (v2025.03.14) |
| Nov 18, 2025 | 16.14% (0.16139) | 94.25th | v4 (v2025.03.14) |
| Mar 30, 2025 | 9.20% (0.09197) | 91.94th | v4 (v2025.03.14) |
| Mar 29, 2025 | 17.79% (0.17785) | 91.96th | v4 (v2025.03.14) |
| Mar 17, 2025 | 9.20% (0.09197) | 92.10th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.55% (0.00554) | 78.32th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.55% (0.00554) | 76.89th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.55% (0.00554) | 74.11th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.70% (0.04695) | 89.17th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.70% (0.04695) | 74.44th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.28% (0.02278) | 50.99th | v5 (v2026.06.15) |
| Apr 14, 2021 | 2.28% (0.02278) | 0.00th | v1 |
References (4)
- http://tracker.firebirdsql.org/browse/CORE-5474 x_refsource_CONFIRMIssue TrackingVendor Advisory
- http://www.debian.org/security/2017/dsa-3824 vendor-advisoryx_refsource_DEBIANMailing List
- http://www.securityfocus.com/bid/97070 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://usn.ubuntu.com/3929-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://tracker.firebirdsql.org/browse/CORE-5474 | x_refsource_CONFIRMIssue TrackingVendor Advisory | |
| http://www.debian.org/security/2017/dsa-3824 | vendor-advisoryx_refsource_DEBIANMailing List | |
| http://www.securityfocus.com/bid/97070 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://usn.ubuntu.com/3929-1/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory |
Change history (0)
No recorded changes yet.