CVE-2023-37378

mediumpriority · track · 21EPSS 0.010 · 62 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.98% (62nd) EPSS

CVSS 5.3 · medium

Is it mine?

14 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · scored 2026-10-27

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

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedParasolid V35.0siemens_psirt
Run the uninstaller to remove the vulnerable directory and reinstall with the latest installer available for download
https://support.sw.siemens.com/en-US/product/258316782/
FixedParasolid V35.1siemens_psirt
Run the uninstaller to remove the vulnerable directory and reinstall with the latest installer available for download
https://support.sw.siemens.com/en-US/product/258316782/
FixedParasolid V35.0cisa_csaf_ot
Run the uninstaller to remove the vulnerable directory and reinstall with the latest installer available for download
https://support.sw.siemens.com/en-US/product/258316782/
FixedParasolid V35.1cisa_csaf_ot
Run the uninstaller to remove the vulnerable directory and reinstall with the latest installer available for download
https://support.sw.siemens.com/en-US/product/258316782/
MitigationParasolid V35.0siemens_psirt
Ensure that only trusted persons have access to the system and avoid the configuration of additional accounts
MitigationParasolid V35.1siemens_psirt
Ensure that only trusted persons have access to the system and avoid the configuration of additional accounts
MitigationParasolid V35.0cisa_csaf_ot
Ensure that only trusted persons have access to the system and avoid the configuration of additional accounts
MitigationParasolid V35.1cisa_csaf_ot
Ensure that only trusted persons have access to the system and avoid the configuration of additional accounts
WorkaroundParasolid V35.0siemens_psirt
Scan each computer where Parasolid has ever been installed with an up-to-date anti-virus program and follow its recommendations
WorkaroundParasolid V35.1siemens_psirt
Scan each computer where Parasolid has ever been installed with an up-to-date anti-virus program and follow its recommendations
WorkaroundParasolid V35.0cisa_csaf_ot
Scan each computer where Parasolid has ever been installed with an up-to-date anti-virus program and follow its recommendations
WorkaroundParasolid V35.1cisa_csaf_ot
Scan each computer where Parasolid has ever been installed with an up-to-date anti-virus program and follow its recommendations

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.9–7.8

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 1.4

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:Csecondary · CISA US

v3.15.3mediumAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Nsecondary · FSTEC (BDU) RU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:Csecondary · Siemens ProductCERT DE

v3.14.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-284USCWE-732USCWE-732US

affected products (14)

Products and version ranges known to be affected.

Parasolid V35.0all versionscisa_csaf_otUS
Parasolid V35.1all versionscisa_csaf_otUS
Siemens Parasolid V35.0≤ vers:all/*cisa_csaf_otUS
Siemens Parasolid V35.1≤ vers:all/*cisa_csaf_otUS
n/a n/a≤ n/aenisa_euvdEU
Fedora Project Fedora≤ 37fstec_bduRU
Fedora Project Fedora≤ 38fstec_bduRU
Nullsoft Nullsoft Scriptable Installer System≤ 3.09fstec_bduRU
Siemens AG Parasolid≤ 35.1fstec_bduRU
Siemens AG Parasolid≤ 35.0fstec_bduRU
АО «НППКТ» ОСОН ОСнова Оnyx≤ 2.8fstec_bduRU
nullsoft nullsoft scriptable install system≤ 3.09nvdUScpe:2.3:a:nullsoft:nullsoft_scriptable_install_system:*:*:*:*:*:*:*:*
Siemens Parasolid V35.0≤ vers:all/*siemens_psirtDE
Siemens Parasolid V35.1≤ vers:all/*siemens_psirtDE

advisories (2)

Vendor and ecosystem advisories describing this.

SSA-116172SSA-116172: Nullsoft Scriptable Install System (NSIS) Vulnerability (CVE-2023-37378) in Parasolid Installer2023-08-08csaf · siemens_psirtDE
A vulnerability in Nullsoft Scriptable Installer System (NSIS) software (CVE-2023-37378) used in Parasolid installers before V36 creates an “uninstall directory” with insufficient access control. This could allow an attacker to misuse the vulnerability, and potentially escalate privileges. Only systems where Parasolid is installed with a Parasolid installer is impacted. Siemens recommends to uninstall impacted Parasolid instances and reinstall with the latest installer available.
ICSA-23-222-02Siemens Parasolid Installer2023-08-08icsa · cisa_csaf_otUS
A vulnerability in Nullsoft Scriptable Installer System (NSIS) software (CVE-2023-37378) used in Parasolid installers before V36 creates an “uninstall directory” with insufficient access control. This could allow an attacker to misuse the vulnerability, and potentially escalate privileges. Only systems where Parasolid is installed with a Parasolid installer is impacted. Siemens recommends to uninstall impacted Parasolid instances and reinstall with the latest installer available.

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cisa_csaf_ot nvd siemens_psirt NVD CVE.org MITRE

published 2023-07-03modified 2026-06-17

references (31)

External citations — patches, advisories, analysis.

scry

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