WinAVR version 20100110 contains an insecure permissions vulnerability that allows authenticated users to modify system files and executables. Attackers can leverage the overly permissive access controls to potentially modify critical DLLs and executable files in the WinAVR installation directory.
Advisories

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Fixes

Solution

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Workaround

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History

Tue, 27 Jan 2026 20:30:00 +0000

Type Values Removed Values Added
First Time appeared Winavr
Winavr winavr
Vendors & Products Winavr
Winavr winavr

Tue, 27 Jan 2026 15:45:00 +0000

Type Values Removed Values Added
Description WinAVR version 20100110 contains an insecure permissions vulnerability that allows authenticated users to modify system files and executables. Attackers can leverage the overly permissive access controls to potentially modify critical DLLs and executable files in the WinAVR installation directory.
Title WinAVR Version 20100110 - Insecure Folder Permissions
Weaknesses CWE-732
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 7, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-01-27T21:38:08.817Z

Reserved: 2026-01-25T13:50:01.142Z

Link: CVE-2020-36938

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-01-27T16:16:09.663

Modified: 2026-01-27T16:16:09.663

Link: CVE-2020-36938

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-01-27T20:16:20Z

Weaknesses