CVE-2023-37378

Nullsoft Scriptable Install System (NSIS) before 3.09 mishandles access control for an...

5.3 MediumFix available

Nullsoft Scriptable Install System (NSIS) before 3.09 mishandles access control for an uninstaller directory.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: Low
Availability: None

Exploit likelihood

0.98%Up 0.9 points since Jul 4, 2023

What each source reports

NVD Score used 5.3

Nullsoft Scriptable Install System (NSIS) before 3.09 mishandles access control for an uninstaller directory.

Record: CVE-2023-37378
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Updated: 2026-11-02

CVE List No score

Nullsoft Scriptable Install System (NSIS) before 3.09 mishandles access control for an uninstaller directory.

Record: CVE-2023-37378
Updated: 2026-11-02

EUVDEUVD-2023-41280 No score

Nullsoft Scriptable Install System (NSIS) before 3.09 mishandles access control for an uninstaller directory.

Record: EUVD-2023-41280
Updated: 2026-11-03

GitHub AdvisoriesGHSA-5r79-3284-v2f8 5.3

Nullsoft Scriptable Install System (NSIS) before 3.09 mishandles access control for an...

Nullsoft Scriptable Install System (NSIS) before 3.09 mishandles access control for an uninstaller directory.

Record: GHSA-5r79-3284-v2f8
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Updated: 2026-11-02

OSVDEBIAN-CVE-2023-37378 5.3

Nullsoft Scriptable Install System (NSIS) before 3.09 mishandles access control for an uninstaller directory.

Record: DEBIAN-CVE-2023-37378
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Updated: 2026-11-02

OSVUBUNTU-CVE-2023-37378 5.3

Nullsoft Scriptable Install System (NSIS) before 3.09 mishandles access control for an uninstaller directory.

Record: UBUNTU-CVE-2023-37378
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Updated: 2026-11-02

OSV No score

Nullsoft Scriptable Install System (NSIS) before 3.09 mishandles access control for an uninstaller directory.

Record: CVE-2023-37378
Updated: 2026-11-02

OSVMGASA-2023-0236 No score

Updated mingw-nsis packages fix security vulnerability

Mishandles access control for an uninstaller directory. (CVE-2023-37378)

Record: MGASA-2023-0236
Updated: 2026-11-02

Affected products

nullsoft scriptable install system

Affected packages

Affected packages
Package	Affected	Fixed
`nsis` Debian:12	before 3.08-3+deb12u1, plus listed versions 3.08-3	3.08-3+deb12u1
`nsis` Debian:13	before 3.09-1	3.09-1
`nsis` Debian:14	before 3.09-1	3.09-1
`nsis` Debian:10	before 3.04-1+deb9u1, plus listed versions 3.04-1	3.04-1+deb9u1
`nsis` Debian:11	before 3.06.1-1+deb11u1, plus listed versions 3.06.1-1	3.06.1-1+deb11u1
`mingw-nsis` Mageia:8	before 3.06.1-1.1.mga8	3.06.1-1.1.mga8
`nsis` Ubuntu:Pro:14.04:LTS	All versions, plus listed versions 2.46-72.46-7ubuntu0.1~esm1	None known
`nsis` Ubuntu:16.04:LTS	All versions, plus listed versions 2.46-10.12.48-22.50-1	None known
`nsis` Ubuntu:18.04:LTS	All versions, plus listed versions 2.51-1	None known
`nsis` Ubuntu:20.04:LTS	All versions, plus listed versions 3.04-13.04-23.05-13.05-2	None known

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Affected packages
Package	Affected	Fixed
`nsis` Ubuntu:22.04:LTS	All versions, plus listed versions 3.06.1-13.08-13.08-2	None known
`nsis` Ubuntu:24.04:LTS	All versions, plus listed versions 3.09-13.09-23.09-33.09-43.09-4ubuntu1	None known
`nsis` Ubuntu:25.10	All versions, plus listed versions 3.10-2ubuntu1	None known
`nsis` Ubuntu:26.10	All versions, plus listed versions 3.10-2ubuntu2	None known
`nsis` Ubuntu:26.04:LTS	All versions, plus listed versions 3.10-2ubuntu13.10-2ubuntu2	None known

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-37378 is a medium vulnerability (CVSS 5.3) in Nullsoft Scriptable Install System, published July 3, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.98%, the 62nd percentile. Fixed in nsis 3.08-3+deb12u1.

References

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