A vulnerability was detected in InnoSetup Installer 5.5.9. This affects an unknown part. The manipulation results in uncontrolled search path. The attack can be executed remotely. The exploit is now public and may be used. This is a malformed-PE / self-extracting-installer defect report that the vendor never acknowledged.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Medium

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00575.

Exploitation poc

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
InnoSetup Installer affected
Version Status Constraints
5.5.9 affected —

Configuration 1 [-]

cpe:2.3:a:jrsoftware:inno_setup:-:*:*:*:*:*:*:*

No data.

No data.

Project Subscriptions

Vendors Products
Innosetup Subscribe
Installer Subscribe
Jrsoftware Subscribe
Inno Setup Subscribe
Advisories
Source ID Title
EUVD EUVD EUVD-2017-11066 A vulnerability was found in InnoSetup Installer. It has been declared as problematic. Affected by this vulnerability is an unknown functionality. The manipulation leads to uncontrolled search path. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
http://seclists.org/fulldisclosure/2017/Mar/8 cve-icon cve-icon
https://vuldb.com/?id.97837 cve-icon
https://vuldb.com/cve/CVE-2017-20051 cve-icon cve-icon
https://vuldb.com/vuln/97837 cve-icon cve-icon
https://vuldb.com/vuln/97837/cti cve-icon cve-icon
History

Tue, 29 Sep 2026 06:15:00 +0000

Type Values Removed Values Added
Description A vulnerability was found in InnoSetup Installer. It has been declared as problematic. Affected by this vulnerability is an unknown functionality. The manipulation leads to uncontrolled search path. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. A vulnerability was detected in InnoSetup Installer 5.5.9. This affects an unknown part. The manipulation results in uncontrolled search path. The attack can be executed remotely. The exploit is now public and may be used. This is a malformed-PE / self-extracting-installer defect report that the vendor never acknowledged.
First Time appeared Innosetup
Innosetup installer
Weaknesses CWE-426
CPEs cpe:2.3:a:innosetup:installer:*:*:*:*:*:*:*:*
Vendors & Products Innosetup
Innosetup installer
References
Metrics cvssV2_0

{'score': 4.4, 'vector': 'AV:L/AC:M/Au:N/C:P/I:P/A:P'}

cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L'}

 cvssV3_0

{'score': 6.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:U/RC:R'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P'}

cvssV2_0

{'score': 6, 'vector': 'AV:N/AC:M/Au:S/C:P/I:P/A:P/E:POC/RL:U/RC:UR'}

cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:U/RC:R'}

Tue, 15 Apr 2025 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-09-29T05:56:55.900Z

Reserved: 2022-06-08T00:00:00.000Z

Link: CVE-2017-20051

cve-icon Vulnrichment

Updated: 2024-08-05T21:45:25.374Z

cve-icon NVD

Status : Modified

Published: 2022-06-16T07:15:07.053

Modified: 2026-09-29T06:16:56.450

Link: CVE-2017-20051

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses