CVE-2020-36938
WinAVR Version 20100110 - Insecure Folder Permissions
- State
- Published
- Severity
- 7.0 High
- Published
- Jan 27, 2026
- Updated
- Jan 27, 2026
- Reserved
- Jan 25, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.0 High | 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 | VulnCheck |
| 3.1 | 8.8 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-732 Incorrect Permission Assignment for Critical Resource
Affected Products
| Product | Versions |
|---|---|
WinAVRWinAVR |
|
References
- ExploitDB-49379exploit
- WinAVR Official Project Homepageproduct
- VulnCheck Advisory: WinAVR Version 20100110 - Insecure Folder Permissionsthird-party-advisory
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