CVE-2020-36938

WinAVR Version 20100110 - Insecure Folder Permissions

Published Jan 27, 2026 CVSS 4.0 · 7 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

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

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Jan 27, 2026, 9:38 PM
Reserved
Jan 25, 2026, 1:50 PM
Status
Deferred
Published
Jan 27, 2026, 4:16 PM
Modified
Jun 17, 2026, 3:16 AM