Nullsoft Scriptable Install System (NSIS) before 2.49 uses temporary folder locations that allow unprivileged local users to overwrite files
Published Oct 1, 2018
5.5
MEDIUMCVSS 3.1
EPSS 0.39%
Description
Nullsoft Scriptable Install System (NSIS) before 2.49 uses temporary folder locations that allow unprivileged local users to overwrite files. This allows a local attack in which either a plugin or the uninstaller can be replaced by a Trojan horse program.
Affected products
No data.
Configuration 1
- < 2.49
Configuration 2
- 8.0
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:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/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
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 | 0.39% (0.00386) | 30.23th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.39% (0.00386) | 30.16th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.04% (0.00045) | 10.90th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.05% (0.00053) | 23.32th | v3 (v2023.03.01) |
| Jun 12, 2024 | 0.05% (0.00053) | 21.25th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.05% (0.00053) | 19.24th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00890) | 30.33th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00890) | 28.64th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00890) | 26.62th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00890) | 12.04th | v2 (v2022.01.01) |
References (3)
- http://jvn.jp/en/jp/JVN68418039/index.html third-party-advisoryx_refsource_JVNThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/11/msg00041.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://sourceforge.net/p/nsis/bugs/1125/ x_refsource_MISCExploitIssue TrackingPatchThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://jvn.jp/en/jp/JVN68418039/index.html | third-party-advisoryx_refsource_JVNThird Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2018/11/msg00041.html | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| https://sourceforge.net/p/nsis/bugs/1125/ | x_refsource_MISCExploitIssue TrackingPatchThird Party Advisory |
Change history (0)
No recorded changes yet.